diff --git a/src/BasePlatform.ts b/src/BasePlatform.ts
index b7f52d3895..95f3459763 100644
--- a/src/BasePlatform.ts
+++ b/src/BasePlatform.ts
@@ -237,7 +237,7 @@ export default abstract class BasePlatform {
     }
 
     /**
-     * Restarts the application, without neccessarily reloading
+     * Restarts the application, without necessarily reloading
      * any application code
      */
     abstract reload();
diff --git a/src/CallHandler.tsx b/src/CallHandler.tsx
index 2b934251b7..787f602fb7 100644
--- a/src/CallHandler.tsx
+++ b/src/CallHandler.tsx
@@ -948,7 +948,7 @@ export default class CallHandler extends EventEmitter {
     ): Promise<void> {
         if (consultFirst) {
             // if we're consulting, we just start by placing a call to the transfer
-            // target (passing the transferee so the actual tranfer can happen later)
+            // target (passing the transferee so the actual transfer can happen later)
             this.dialNumber(destination, call);
             return;
         }
diff --git a/src/HtmlUtils.tsx b/src/HtmlUtils.tsx
index 7f92653c30..6b9724caab 100644
--- a/src/HtmlUtils.tsx
+++ b/src/HtmlUtils.tsx
@@ -187,7 +187,7 @@ const transformTags: IExtendedSanitizeOptions["transformTags"] = { // custom to
                 delete attribs.target;
             }
         } else {
-            // Delete the href attrib if it is falsey
+            // Delete the href attrib if it is falsy
             delete attribs.href;
         }
 
diff --git a/src/ImageUtils.ts b/src/ImageUtils.ts
index 9bfab37193..acf8daa607 100644
--- a/src/ImageUtils.ts
+++ b/src/ImageUtils.ts
@@ -25,7 +25,7 @@ limitations under the License.
  * reflect the actual height the scaled thumbnail occupies.
  *
  * This is very useful for calculating how much height a thumbnail will actually
- * consume in the timeline, when performing scroll offset calcuations
+ * consume in the timeline, when performing scroll offset calculations
  * (e.g. scroll locking)
  */
 export function thumbHeight(fullWidth: number, fullHeight: number, thumbWidth: number, thumbHeight: number) {
diff --git a/src/Rooms.ts b/src/Rooms.ts
index 32419080ac..b7b2f64a77 100644
--- a/src/Rooms.ts
+++ b/src/Rooms.ts
@@ -52,7 +52,7 @@ export function looksLikeDirectMessageRoom(room: Room, myUserId: string): boolea
         // Used to split rooms via tags
         const tagNames = Object.keys(room.tags);
         // Used for 1:1 direct chats
-        // Show 1:1 chats in seperate "Direct Messages" section as long as they haven't
+        // Show 1:1 chats in separate "Direct Messages" section as long as they haven't
         // been moved to a different tag section
         const totalMemberCount = room.currentState.getJoinedMemberCount() +
             room.currentState.getInvitedMemberCount();
diff --git a/src/async-components/views/dialogs/security/CreateKeyBackupDialog.tsx b/src/async-components/views/dialogs/security/CreateKeyBackupDialog.tsx
index 560eaadab1..dea6c87941 100644
--- a/src/async-components/views/dialogs/security/CreateKeyBackupDialog.tsx
+++ b/src/async-components/views/dialogs/security/CreateKeyBackupDialog.tsx
@@ -291,7 +291,7 @@ export default class CreateKeyBackupDialog extends React.PureComponent<IProps, I
             changeText = _t("Use a different passphrase?");
         } else if (!this.state.passPhrase.startsWith(this.state.passPhraseConfirm)) {
             // only tell them they're wrong if they've actually gone wrong.
-            // Security concious readers will note that if you left element-web unattended
+            // Security conscious readers will note that if you left element-web unattended
             // on this screen, this would make it easy for a malicious person to guess
             // your passphrase one letter at a time, but they could get this faster by
             // just opening the browser's developer tools and reading it.
diff --git a/src/async-components/views/dialogs/security/CreateSecretStorageDialog.tsx b/src/async-components/views/dialogs/security/CreateSecretStorageDialog.tsx
index 190e683cf2..f58a8b2003 100644
--- a/src/async-components/views/dialogs/security/CreateSecretStorageDialog.tsx
+++ b/src/async-components/views/dialogs/security/CreateSecretStorageDialog.tsx
@@ -649,7 +649,7 @@ export default class CreateSecretStorageDialog extends React.PureComponent<IProp
             changeText = _t("Use a different passphrase?");
         } else if (!this.state.passPhrase.startsWith(this.state.passPhraseConfirm)) {
             // only tell them they're wrong if they've actually gone wrong.
-            // Security concious readers will note that if you left element-web unattended
+            // Security conscious readers will note that if you left element-web unattended
             // on this screen, this would make it easy for a malicious person to guess
             // your passphrase one letter at a time, but they could get this faster by
             // just opening the browser's developer tools and reading it.
diff --git a/src/components/views/auth/CountryDropdown.tsx b/src/components/views/auth/CountryDropdown.tsx
index 0318c4b95d..07866bc98e 100644
--- a/src/components/views/auth/CountryDropdown.tsx
+++ b/src/components/views/auth/CountryDropdown.tsx
@@ -135,7 +135,7 @@ export default class CountryDropdown extends React.Component<IProps, IState> {
         });
 
         // default value here too, otherwise we need to handle null / undefined
-        // values between mounting and the initial value propgating
+        // values between mounting and the initial value propagating
         const value = this.props.value || this.state.defaultCountry.iso2;
 
         return <Dropdown
diff --git a/src/components/views/beacon/LeftPanelLiveShareWarning.tsx b/src/components/views/beacon/LeftPanelLiveShareWarning.tsx
index 1acca35246..b268628592 100644
--- a/src/components/views/beacon/LeftPanelLiveShareWarning.tsx
+++ b/src/components/views/beacon/LeftPanelLiveShareWarning.tsx
@@ -56,7 +56,7 @@ const getLabel = (hasStoppingErrors: boolean, hasLocationErrors: boolean): strin
         return _t('An error occurred while stopping your live location');
     }
     if (hasLocationErrors) {
-        return _t('An error occured whilst sharing your live location');
+        return _t('An error occurred whilst sharing your live location');
     }
     return _t('You are sharing your live location');
 };
diff --git a/src/components/views/beacon/RoomLiveShareWarning.tsx b/src/components/views/beacon/RoomLiveShareWarning.tsx
index 2fe76a10e8..ecd200cf96 100644
--- a/src/components/views/beacon/RoomLiveShareWarning.tsx
+++ b/src/components/views/beacon/RoomLiveShareWarning.tsx
@@ -29,7 +29,7 @@ import LiveTimeRemaining from './LiveTimeRemaining';
 
 const getLabel = (hasLocationPublishError: boolean, hasStopSharingError: boolean): string => {
     if (hasLocationPublishError) {
-        return _t('An error occured whilst sharing your live location, please try again');
+        return _t('An error occurred whilst sharing your live location, please try again');
     }
     if (hasStopSharingError) {
         return _t('An error occurred while stopping your live location, please try again');
diff --git a/src/components/views/dialogs/BulkRedactDialog.tsx b/src/components/views/dialogs/BulkRedactDialog.tsx
index 86c0f4033f..3d8e6967f1 100644
--- a/src/components/views/dialogs/BulkRedactDialog.tsx
+++ b/src/components/views/dialogs/BulkRedactDialog.tsx
@@ -25,7 +25,7 @@ import { EventType } from "matrix-js-sdk/src/@types/event";
 import { _t } from '../../../languageHandler';
 import dis from "../../../dispatcher/dispatcher";
 import { Action } from "../../../dispatcher/actions";
-import { IDialogProps } from "../dialogs/IDialogProps";
+import { IDialogProps } from "./IDialogProps";
 import BaseDialog from "../dialogs/BaseDialog";
 import InfoDialog from "../dialogs/InfoDialog";
 import DialogButtons from "../elements/DialogButtons";
diff --git a/src/components/views/dialogs/ExportDialog.tsx b/src/components/views/dialogs/ExportDialog.tsx
index 5c1bf48cac..1a8d1020cd 100644
--- a/src/components/views/dialogs/ExportDialog.tsx
+++ b/src/components/views/dialogs/ExportDialog.tsx
@@ -263,7 +263,7 @@ const ExportDialog: React.FC<IProps> = ({ room, onFinished }) => {
         else onFinished(false);
     };
 
-    const confirmCanel = async () => {
+    const confirmCancel = async () => {
         await exporter?.cancelExport();
         setExportCancelled(true);
         setExporting(false);
@@ -346,7 +346,7 @@ const ExportDialog: React.FC<IProps> = ({ room, onFinished }) => {
                     hasCancel={true}
                     cancelButton={_t("Continue")}
                     onCancel={() => setCancelWarning(false)}
-                    onPrimaryButtonClick={confirmCanel}
+                    onPrimaryButtonClick={confirmCancel}
                 />
             </BaseDialog>
         );
diff --git a/src/components/views/dialogs/KeySignatureUploadFailedDialog.tsx b/src/components/views/dialogs/KeySignatureUploadFailedDialog.tsx
index 381c96dc66..72ce6bd3ba 100644
--- a/src/components/views/dialogs/KeySignatureUploadFailedDialog.tsx
+++ b/src/components/views/dialogs/KeySignatureUploadFailedDialog.tsx
@@ -29,7 +29,7 @@ interface IProps extends IDialogProps {
         error: string;
     }>>;
     source: string;
-    continuation: () => void;
+    continuation: () => Promise<void>;
 }
 
 const KeySignatureUploadFailedDialog: React.FC<IProps> = ({
diff --git a/src/components/views/dialogs/ShareDialog.tsx b/src/components/views/dialogs/ShareDialog.tsx
index cb06d09d80..f07964650f 100644
--- a/src/components/views/dialogs/ShareDialog.tsx
+++ b/src/components/views/dialogs/ShareDialog.tsx
@@ -52,7 +52,7 @@ const socials = [
     }, {
         name: 'Reddit',
         img: require("../../../../res/img/social/reddit.png"),
-        url: (url) => `http://www.reddit.com/submit?url=${url}`,
+        url: (url) => `https://www.reddit.com/submit?url=${url}`,
     }, {
         name: 'email',
         img: require("../../../../res/img/social/email-1.png"),
diff --git a/src/components/views/dialogs/security/RestoreKeyBackupDialog.tsx b/src/components/views/dialogs/security/RestoreKeyBackupDialog.tsx
index 719c31c48f..0fedcf3d93 100644
--- a/src/components/views/dialogs/security/RestoreKeyBackupDialog.tsx
+++ b/src/components/views/dialogs/security/RestoreKeyBackupDialog.tsx
@@ -44,7 +44,7 @@ enum ProgressState {
 }
 
 interface IProps extends IDialogProps {
-    // if false, will close the dialog as soon as the restore completes succesfully
+    // if false, will close the dialog as soon as the restore completes successfully
     // default: true
     showSummary?: boolean;
     // If specified, gather the key from the user but then call the function with the backup
diff --git a/src/components/views/elements/AccessibleButton.tsx b/src/components/views/elements/AccessibleButton.tsx
index 3db6d0dfb0..36600cbfb3 100644
--- a/src/components/views/elements/AccessibleButton.tsx
+++ b/src/components/views/elements/AccessibleButton.tsx
@@ -96,7 +96,7 @@ export default function AccessibleButton({
         // that might receive focus as a result of the AccessibleButtonClick action
         // It's because we are using html buttons at a few places e.g. inside dialogs
         // And divs which we report as role button to assistive technologies.
-        // Browsers handle space and enter keypresses differently and we are only adjusting to the
+        // Browsers handle space and enter key presses differently and we are only adjusting to the
         // inconsistencies here
         newProps.onKeyDown = (e) => {
             const action = getKeyBindingsManager().getAccessibilityAction(e);
diff --git a/src/components/views/elements/AppTile.tsx b/src/components/views/elements/AppTile.tsx
index 1eba26a3d4..f202a1e570 100644
--- a/src/components/views/elements/AppTile.tsx
+++ b/src/components/views/elements/AppTile.tsx
@@ -57,7 +57,7 @@ interface IProps {
     // which bypasses permission prompts as it was added explicitly by that user
     room?: Room;
     threadId?: string | null;
-    // Specifying 'fullWidth' as true will render the app tile to fill the width of the app drawer continer.
+    // Specifying 'fullWidth' as true will render the app tile to fill the width of the app drawer container.
     // This should be set to true when there is only one widget in the app drawer, otherwise it should be false.
     fullWidth?: boolean;
     // Optional. If set, renders a smaller view of the widget
@@ -288,7 +288,7 @@ export default class AppTile extends React.Component<IProps, IState> {
     private setupSgListeners() {
         this.sgWidget.on("preparing", this.onWidgetPreparing);
         this.sgWidget.on("ready", this.onWidgetReady);
-        // emits when the capabilites have been setup or changed
+        // emits when the capabilities have been set up or changed
         this.sgWidget.on("capabilitiesNotified", this.onWidgetCapabilitiesNotified);
     }
 
@@ -543,7 +543,7 @@ export default class AppTile extends React.Component<IProps, IState> {
         const sandboxFlags = "allow-forms allow-popups allow-popups-to-escape-sandbox " +
             "allow-same-origin allow-scripts allow-presentation allow-downloads";
 
-        // Additional iframe feature pemissions
+        // Additional iframe feature permissions
         // (see - https://sites.google.com/a/chromium.org/dev/Home/chromium-security/deprecating-permissions-in-cross-origin-iframes and https://wicg.github.io/feature-policy/)
         const iframeFeatures = "microphone; camera; encrypted-media; autoplay; display-capture; clipboard-write;";
 
diff --git a/src/components/views/elements/ErrorBoundary.tsx b/src/components/views/elements/ErrorBoundary.tsx
index 91e56b82be..4d281de12c 100644
--- a/src/components/views/elements/ErrorBoundary.tsx
+++ b/src/components/views/elements/ErrorBoundary.tsx
@@ -53,7 +53,7 @@ export default class ErrorBoundary extends React.PureComponent<{}, IState> {
         // in their own `console.error` invocation.
         logger.error(error);
         logger.error(
-            "The above error occured while React was rendering the following components:",
+            "The above error occurred while React was rendering the following components:",
             componentStack,
         );
     }
diff --git a/src/components/views/elements/LanguageDropdown.tsx b/src/components/views/elements/LanguageDropdown.tsx
index 7d19dbfce1..cf1dfedcce 100644
--- a/src/components/views/elements/LanguageDropdown.tsx
+++ b/src/components/views/elements/LanguageDropdown.tsx
@@ -99,7 +99,7 @@ export default class LanguageDropdown extends React.Component<IProps, IState> {
         });
 
         // default value here too, otherwise we need to handle null / undefined
-        // values between mounting and the initial value propgating
+        // values between mounting and the initial value propagating
         let language = SettingsStore.getValue("language", null, /*excludeDefault:*/true);
         let value = null;
         if (language) {
diff --git a/src/components/views/elements/ReplyChain.tsx b/src/components/views/elements/ReplyChain.tsx
index 0272980ef0..dd7cf76855 100644
--- a/src/components/views/elements/ReplyChain.tsx
+++ b/src/components/views/elements/ReplyChain.tsx
@@ -167,7 +167,7 @@ export default class ReplyChain extends React.Component<IProps, IState> {
             await this.matrixClient.getEventTimeline(this.room.getUnfilteredTimelineSet(), eventId);
         } catch (e) {
             // if it fails catch the error and return early, there's no point trying to find the event in this case.
-            // Return null as it is falsey and thus should be treated as an error (as the event cannot be resolved).
+            // Return null as it is falsy and thus should be treated as an error (as the event cannot be resolved).
             return null;
         }
         return this.room.findEventById(eventId);
diff --git a/src/components/views/elements/SpellCheckLanguagesDropdown.tsx b/src/components/views/elements/SpellCheckLanguagesDropdown.tsx
index 126898a4ff..a269ac0010 100644
--- a/src/components/views/elements/SpellCheckLanguagesDropdown.tsx
+++ b/src/components/views/elements/SpellCheckLanguagesDropdown.tsx
@@ -99,7 +99,7 @@ export default class SpellCheckLanguagesDropdown extends React.Component<SpellCh
         });
 
         // default value here too, otherwise we need to handle null / undefined;
-        // values between mounting and the initial value propgating
+        // values between mounting and the initial value propagating
         let language = SettingsStore.getValue("language", null, /*excludeDefault:*/true);
         let value = null;
         if (language) {
diff --git a/src/components/views/elements/TruncatedList.tsx b/src/components/views/elements/TruncatedList.tsx
index 56d05515df..57ae784caa 100644
--- a/src/components/views/elements/TruncatedList.tsx
+++ b/src/components/views/elements/TruncatedList.tsx
@@ -52,7 +52,7 @@ export default class TruncatedList extends React.Component<IProps> {
             return this.props.getChildren(start, end);
         } else {
             // XXX: I'm not sure why anything would pass null into this, it seems
-            // like a bizzare case to handle, but I'm preserving the behaviour.
+            // like a bizarre case to handle, but I'm preserving the behaviour.
             // (see commit 38d5c7d5c5d5a34dc16ef5d46278315f5c57f542)
             return React.Children.toArray(this.props.children).filter((c) => {
                 return c != null;
diff --git a/src/components/views/messages/MImageBody.tsx b/src/components/views/messages/MImageBody.tsx
index 73c59472fd..118de8e8fe 100644
--- a/src/components/views/messages/MImageBody.tsx
+++ b/src/components/views/messages/MImageBody.tsx
@@ -485,14 +485,14 @@ export default class MImageBody extends React.Component<IBodyProps, IState> {
         return this.wrapImage(contentUrl, thumbnail);
     }
 
-    // Overidden by MStickerBody
+    // Overridden by MStickerBody
     protected wrapImage(contentUrl: string, children: JSX.Element): JSX.Element {
         return <a href={contentUrl} target={this.props.forExport ? "_blank" : undefined} onClick={this.onClick}>
             { children }
         </a>;
     }
 
-    // Overidden by MStickerBody
+    // Overridden by MStickerBody
     protected getPlaceholder(width: number, height: number): JSX.Element {
         const blurhash = this.props.mxEvent.getContent().info?.[BLURHASH_FIELD];
 
@@ -506,12 +506,12 @@ export default class MImageBody extends React.Component<IBodyProps, IState> {
         return <Spinner w={32} h={32} />;
     }
 
-    // Overidden by MStickerBody
+    // Overridden by MStickerBody
     protected getTooltip(): JSX.Element {
         return null;
     }
 
-    // Overidden by MStickerBody
+    // Overridden by MStickerBody
     protected getFileBody(): string | JSX.Element {
         if (this.props.forExport) return null;
         /*
diff --git a/src/components/views/rooms/AppsDrawer.tsx b/src/components/views/rooms/AppsDrawer.tsx
index 22afea2490..601cc9ee34 100644
--- a/src/components/views/rooms/AppsDrawer.tsx
+++ b/src/components/views/rooms/AppsDrawer.tsx
@@ -49,7 +49,7 @@ interface IState {
     // @ts-ignore - TS wants a string key, but we know better
     apps: {[id: Container]: IApp[]};
     resizingVertical: boolean; // true when changing the height of the apps drawer
-    resizingHorizontal: boolean; // true when chagning the distribution of the width between widgets
+    resizingHorizontal: boolean; // true when changing the distribution of the width between widgets
     resizing: boolean;
 }
 
@@ -259,7 +259,7 @@ export default class AppsDrawer extends React.Component<IProps, IState> {
             mx_AppsDrawer_2apps: apps.length === 2,
             mx_AppsDrawer_3apps: apps.length === 3,
         });
-        const appConatiners =
+        const appContainers =
             <div className="mx_AppsContainer" ref={this.collectResizer}>
                 { apps.map((app, i) => {
                     if (i < 1) return app;
@@ -272,7 +272,7 @@ export default class AppsDrawer extends React.Component<IProps, IState> {
 
         let drawer;
         if (widgetIsMaxmised) {
-            drawer = appConatiners;
+            drawer = appContainers;
         } else {
             drawer = <PersistentVResizer
                 room={this.props.room}
@@ -282,7 +282,7 @@ export default class AppsDrawer extends React.Component<IProps, IState> {
                 handleWrapperClass="mx_AppsContainer_resizerHandleContainer"
                 className="mx_AppsContainer_resizer"
                 resizeNotifier={this.props.resizeNotifier}>
-                { appConatiners }
+                { appContainers }
             </PersistentVResizer>;
         }
 
diff --git a/src/components/views/rooms/AuxPanel.tsx b/src/components/views/rooms/AuxPanel.tsx
index a7f9a12229..c1325658f9 100644
--- a/src/components/views/rooms/AuxPanel.tsx
+++ b/src/components/views/rooms/AuxPanel.tsx
@@ -104,7 +104,7 @@ export default class AuxPanel extends React.Component<IProps, IState> {
                 const severity = ev.getContent().severity || "normal";
                 const stateKey = ev.getStateKey();
 
-                // We want a non-empty title but can accept falsey values (e.g.
+                // We want a non-empty title but can accept falsy values (e.g.
                 // zero)
                 if (title && value !== undefined) {
                     counters.push({
diff --git a/src/components/views/rooms/EventTile.tsx b/src/components/views/rooms/EventTile.tsx
index e54c0900a5..160bb9fff5 100644
--- a/src/components/views/rooms/EventTile.tsx
+++ b/src/components/views/rooms/EventTile.tsx
@@ -212,7 +212,7 @@ interface IProps {
     // whether or not to display thread info
     showThreadInfo?: boolean;
 
-    // if specified and `true`, the message his behing
+    // if specified and `true`, the message is being
     // hidden for moderation from other users but is
     // displayed to the current user either because they're
     // the author or they are a moderator
diff --git a/src/components/views/toasts/VerificationRequestToast.tsx b/src/components/views/toasts/VerificationRequestToast.tsx
index b424f43900..3786f5c858 100644
--- a/src/components/views/toasts/VerificationRequestToast.tsx
+++ b/src/components/views/toasts/VerificationRequestToast.tsx
@@ -66,7 +66,7 @@ export default class VerificationRequestToast extends React.PureComponent<IProps
         request.on(VerificationRequestEvent.Change, this.checkRequestIsPending);
         // We should probably have a separate class managing the active verification toasts,
         // rather than monitoring this in the toast component itself, since we'll get problems
-        // like the toasdt not going away when the verification is cancelled unless it's the
+        // like the toast not going away when the verification is cancelled unless it's the
         // one on the top (ie. the one that's mounted).
         // As a quick & dirty fix, check the toast is still relevant when it mounts (this prevents
         // a toast hanging around after logging in if you did a verification as part of login).
diff --git a/src/dispatcher/payloads/ComposerInsertPayload.ts b/src/dispatcher/payloads/ComposerInsertPayload.ts
index e5aab51a21..31fa466ef1 100644
--- a/src/dispatcher/payloads/ComposerInsertPayload.ts
+++ b/src/dispatcher/payloads/ComposerInsertPayload.ts
@@ -28,7 +28,7 @@ export enum ComposerType {
 interface IBaseComposerInsertPayload extends ActionPayload {
     action: Action.ComposerInsert;
     timelineRenderingType: TimelineRenderingType;
-    composerType?: ComposerType; // falsey if should be re-dispatched to the correct composer
+    composerType?: ComposerType; // falsy if should be re-dispatched to the correct composer
 }
 
 interface IComposerInsertMentionPayload extends IBaseComposerInsertPayload {
diff --git a/src/editor/dom.ts b/src/editor/dom.ts
index 0700ecb482..d65137aca6 100644
--- a/src/editor/dom.ts
+++ b/src/editor/dom.ts
@@ -178,7 +178,7 @@ function getTextNodeValue(node: Node): string {
         if (nodeText.length !== 1) {
             return nodeText.replace(CARET_NODE_CHAR, "");
         } else {
-            // only contains ZWS, which is ignored, so return emtpy string
+            // only contains ZWS, which is ignored, so return empty string
             return "";
         }
     } else {
diff --git a/src/editor/operations.ts b/src/editor/operations.ts
index 39cb6a5676..9f363a63dd 100644
--- a/src/editor/operations.ts
+++ b/src/editor/operations.ts
@@ -37,7 +37,7 @@ export function formatRange(range: Range, action: Formatting): void {
         range.trim();
     }
 
-    // Edgecase when just selecting whitespace or new line.
+    // Edge case when just selecting whitespace or new line.
     // There should be no reason to format whitespace, so we can just return.
     if (range.length === 0) {
         return;
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index aa4dcd2cdd..c3d8931648 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -2957,11 +2957,11 @@
     "View List": "View List",
     "Close sidebar": "Close sidebar",
     "An error occurred while stopping your live location": "An error occurred while stopping your live location",
-    "An error occured whilst sharing your live location": "An error occured whilst sharing your live location",
+    "An error occurred whilst sharing your live location": "An error occurred whilst sharing your live location",
     "You are sharing your live location": "You are sharing your live location",
     "%(timeRemaining)s left": "%(timeRemaining)s left",
     "Live location enabled": "Live location enabled",
-    "An error occured whilst sharing your live location, please try again": "An error occured whilst sharing your live location, please try again",
+    "An error occurred whilst sharing your live location, please try again": "An error occurred whilst sharing your live location, please try again",
     "An error occurred while stopping your live location, please try again": "An error occurred while stopping your live location, please try again",
     "Stop sharing": "Stop sharing",
     "Stop sharing and close": "Stop sharing and close",
diff --git a/src/indexing/BaseEventIndexManager.ts b/src/indexing/BaseEventIndexManager.ts
index 8caa8a20dd..982bb3543f 100644
--- a/src/indexing/BaseEventIndexManager.ts
+++ b/src/indexing/BaseEventIndexManager.ts
@@ -91,7 +91,7 @@ export default abstract class BaseEventIndexManager {
      *
      * @param {MatrixEvent} ev The event that should be added to the index.
      * @param {IMatrixProfile} profile The profile of the event sender at the
-     * time of the event receival.
+     * time the event was received.
      *
      * @return {Promise} A promise that will resolve when the was queued up for
      * addition.
diff --git a/src/indexing/EventIndex.ts b/src/indexing/EventIndex.ts
index cf199b2500..c941b8aac1 100644
--- a/src/indexing/EventIndex.ts
+++ b/src/indexing/EventIndex.ts
@@ -596,7 +596,7 @@ export default class EventIndex extends EventEmitter {
                     continue;
                 }
 
-                // If all events were already indexed we assume that we catched
+                // If all events were already indexed we assume that we caught
                 // up with our index and don't need to crawl the room further.
                 // Let us delete the checkpoint in that case, otherwise push
                 // the new checkpoint to be used by the crawler.
@@ -612,7 +612,7 @@ export default class EventIndex extends EventEmitter {
                     this.crawlerCheckpoints.push(newCheckpoint);
                 }
             } catch (e) {
-                logger.log("EventIndex: Error durring a crawl", e);
+                logger.log("EventIndex: Error during a crawl", e);
                 // An error occurred, put the checkpoint back so we
                 // can retry.
                 this.crawlerCheckpoints.push(checkpoint);
@@ -797,7 +797,7 @@ export default class EventIndex extends EventEmitter {
         // to get our events in the BACKWARDS direction but populate them in the
         // forwards direction.
         // This needs to happen because a fill request might come with an
-        // exisitng timeline e.g. if you close and re-open the FilePanel.
+        // existing timeline e.g. if you close and re-open the FilePanel.
         if (fromEvent === null) {
             matrixEvents.reverse();
             direction = direction == EventTimeline.BACKWARDS ? EventTimeline.FORWARDS: EventTimeline.BACKWARDS;
diff --git a/src/indexing/EventIndexPeg.ts b/src/indexing/EventIndexPeg.ts
index 94948258a0..dc933808b2 100644
--- a/src/indexing/EventIndexPeg.ts
+++ b/src/indexing/EventIndexPeg.ts
@@ -67,7 +67,7 @@ export class EventIndexPeg {
     /**
      * Initialize the event index.
      *
-     * @returns {boolean} True if the event index was succesfully initialized,
+     * @returns {boolean} True if the event index was successfully initialized,
      * false otherwise.
      */
     async initEventIndex() {
@@ -118,7 +118,7 @@ export class EventIndexPeg {
     }
 
     /**
-     * Check if event indexing support is installed for the platfrom.
+     * Check if event indexing support is installed for the platform.
      *
      * Event indexing might require additional optional modules to be installed,
      * this tells us if those are installed. Note that this should only be
diff --git a/src/integrations/IntegrationManagerInstance.ts b/src/integrations/IntegrationManagerInstance.ts
index 440720b749..dc6a2fb9de 100644
--- a/src/integrations/IntegrationManagerInstance.ts
+++ b/src/integrations/IntegrationManagerInstance.ts
@@ -75,7 +75,7 @@ export class IntegrationManagerInstance {
         client.setTermsInteractionCallback((policyInfo, agreedUrls) => {
             // To avoid visual glitching of two modals stacking briefly, we customise the
             // terms dialog sizing when it will appear for the integration manager so that
-            // it gets the same basic size as the IM's own modal.
+            // it gets the same basic size as the integration manager's own modal.
             return dialogTermsInteractionCallback(
                 policyInfo, agreedUrls, 'mx_TermsDialog_forIntegrationManager',
             );
diff --git a/src/notifications/VectorPushRulesDefinitions.ts b/src/notifications/VectorPushRulesDefinitions.ts
index 85cefd5194..1d6aff8a13 100644
--- a/src/notifications/VectorPushRulesDefinitions.ts
+++ b/src/notifications/VectorPushRulesDefinitions.ts
@@ -132,7 +132,7 @@ export const VectorPushRulesDefinitions = {
     }),
 
     // Messages just sent to a group chat room
-    // 1:1 room messages are catched by the .m.rule.room_one_to_one rule if any defined
+    // 1:1 room messages are caught by the .m.rule.room_one_to_one rule if any defined
     // By opposition, all other room messages are from group chat rooms.
     ".m.rule.message": new VectorPushRuleDefinition({
         description: _td("Messages in group chats"), // passed through _t() translation in src/components/views/settings/Notifications.js
@@ -144,7 +144,7 @@ export const VectorPushRulesDefinitions = {
     }),
 
     // Encrypted messages just sent to a group chat room
-    // Encrypted 1:1 room messages are catched by the .m.rule.encrypted_room_one_to_one rule if any defined
+    // Encrypted 1:1 room messages are caught by the .m.rule.encrypted_room_one_to_one rule if any defined
     // By opposition, all other room messages are from group chat rooms.
     ".m.rule.encrypted": new VectorPushRuleDefinition({
         description: _td("Encrypted messages in group chats"), // passed through _t() translation in src/components/views/settings/Notifications.js
diff --git a/src/settings/watchers/ThemeWatcher.ts b/src/settings/watchers/ThemeWatcher.ts
index a8994d6f74..041435c7cd 100644
--- a/src/settings/watchers/ThemeWatcher.ts
+++ b/src/settings/watchers/ThemeWatcher.ts
@@ -100,7 +100,7 @@ export default class ThemeWatcher {
         // itself completely redundant since we just override the result here and we're
         // now effectively just using the ThemeController as a place to store the static
         // variable. The system theme setting probably ought to have an equivalent
-        // controller that honours the same flag, although probablt better would be to
+        // controller that honours the same flag, although probably better would be to
         // have the theme logic in one place rather than split between however many
         // different places.
         if (ThemeController.isLogin) return 'light';
diff --git a/src/stores/OwnBeaconStore.ts b/src/stores/OwnBeaconStore.ts
index 885c15b69d..1dbf8668fc 100644
--- a/src/stores/OwnBeaconStore.ts
+++ b/src/stores/OwnBeaconStore.ts
@@ -43,7 +43,7 @@ import {
     TimedGeoUri,
     watchPosition,
 } from "../utils/beacon";
-import { getCurrentPosition } from "../utils/beacon/geolocation";
+import { getCurrentPosition } from "../utils/beacon";
 
 const isOwnBeacon = (beacon: Beacon, userId: string): boolean => beacon.beaconInfoOwner === userId;
 
@@ -456,7 +456,7 @@ export class OwnBeaconStore extends AsyncStoreWithClient<OwnBeaconStoreState> {
     private onWatchedPosition = (position: GeolocationPosition) => {
         const timedGeoPosition = mapGeolocationPositionToTimedGeo(position);
 
-        // if this is our first position, publish immediateley
+        // if this is our first position, publish immediately
         if (!this.lastPublishedPositionTimestamp) {
             this.publishLocationToBeacons(timedGeoPosition);
         } else {
diff --git a/src/stores/RoomViewStore.tsx b/src/stores/RoomViewStore.tsx
index 77909ae612..29e974498d 100644
--- a/src/stores/RoomViewStore.tsx
+++ b/src/stores/RoomViewStore.tsx
@@ -504,7 +504,7 @@ export class RoomViewStore extends Store<ActionPayload> {
     // since we should still consider a join to be in progress until the room
     // & member events come down the sync.
     //
-    // This flag remains true after the room has been sucessfully joined,
+    // This flag remains true after the room has been successfully joined,
     // (this store doesn't listen for the appropriate member events)
     // so you should always observe the joined state from the member event
     // if a room object is present.
diff --git a/src/stores/WidgetEchoStore.ts b/src/stores/WidgetEchoStore.ts
index 34b9b4aa47..2923d46b09 100644
--- a/src/stores/WidgetEchoStore.ts
+++ b/src/stores/WidgetEchoStore.ts
@@ -44,9 +44,9 @@ class WidgetEchoStore extends EventEmitter {
     }
 
     /**
-     * Gets the widgets for a room, substracting those that are pending deletion.
+     * Gets the widgets for a room, subtracting those that are pending deletion.
      * Widgets that are pending addition are not included, since widgets are
-     * represted as MatrixEvents, so to do this we'd have to create fake MatrixEvents,
+     * represented as MatrixEvents, so to do this we'd have to create fake MatrixEvents,
      * and we don't really need the actual widget events anyway since we just want to
      * show a spinner / prevent widgets being added twice.
      *
diff --git a/src/stores/spaces/flattenSpaceHierarchy.ts b/src/stores/spaces/flattenSpaceHierarchy.ts
index 9d94cd4a8d..138947c395 100644
--- a/src/stores/spaces/flattenSpaceHierarchy.ts
+++ b/src/stores/spaces/flattenSpaceHierarchy.ts
@@ -38,7 +38,7 @@ const traverseSpaceDescendants = (
 };
 
 /**
- * Helper function to traverse space heirachy and flatten
+ * Helper function to traverse space hierarchy and flatten
  * @param spaceEntityMap ie map of rooms or dm userIds
  * @param spaceDescendantMap map of spaces and their children
  * @returns set of all rooms
diff --git a/src/stores/widgets/WidgetMessagingStore.ts b/src/stores/widgets/WidgetMessagingStore.ts
index d954af6d60..bcc46c0e43 100644
--- a/src/stores/widgets/WidgetMessagingStore.ts
+++ b/src/stores/widgets/WidgetMessagingStore.ts
@@ -91,7 +91,7 @@ export class WidgetMessagingStore extends AsyncStoreWithClient<unknown> {
     /**
      * Gets the widget messaging class for a given widget UID.
      * @param {string} widgetUid The widget UID.
-     * @returns {ClientWidgetApi} The widget API, or a falsey value if not found.
+     * @returns {ClientWidgetApi} The widget API, or a falsy value if not found.
      */
     public getMessagingForUid(widgetUid: string): ClientWidgetApi {
         return this.widgetMap.get(widgetUid);
diff --git a/src/utils/DMRoomMap.ts b/src/utils/DMRoomMap.ts
index ee4837cfb6..811522a667 100644
--- a/src/utils/DMRoomMap.ts
+++ b/src/utils/DMRoomMap.ts
@@ -142,7 +142,7 @@ export default class DMRoomMap {
     /**
      * Gets the DM room which the given IDs share, if any.
      * @param {string[]} ids The identifiers (user IDs and email addresses) to look for.
-     * @returns {Room} The DM room which all IDs given share, or falsey if no common room.
+     * @returns {Room} The DM room which all IDs given share, or falsy if no common room.
      */
     public getDMRoomForIdentifiers(ids: string[]): Room {
         // TODO: [Canonical DMs] Handle lookups for email addresses.
diff --git a/src/utils/ErrorUtils.tsx b/src/utils/ErrorUtils.tsx
index 52c9c470f8..6af61aca2e 100644
--- a/src/utils/ErrorUtils.tsx
+++ b/src/utils/ErrorUtils.tsx
@@ -25,7 +25,7 @@ import { _t, _td, Tags, TranslatedString } from '../languageHandler';
  *
  * @param {string} limitType The limit_type from the error
  * @param {string} adminContact The admin_contact from the error
- * @param {Object} strings Translateable string for different
+ * @param {Object} strings Translatable string for different
  *     limit_type. Must include at least the empty string key
  *     which is the default. Strings may include an 'a' tag
  *     for the admin contact link.
diff --git a/src/utils/FileUtils.ts b/src/utils/FileUtils.ts
index 21d2928073..e934389152 100644
--- a/src/utils/FileUtils.ts
+++ b/src/utils/FileUtils.ts
@@ -64,7 +64,7 @@ export function presentableTextForFile(
         // big a file they are downloading.
         // The content.info also contains a MIME-type but we don't display
         // it since it is "ugly", users generally aren't aware what it
-        // means and the type of the attachment can usually be inferrered
+        // means and the type of the attachment can usually be inferred
         // from the file extension.
         text += ' (' + filesize(content.info.size) + ')';
     }
diff --git a/src/utils/LazyValue.ts b/src/utils/LazyValue.ts
index 9cdcda489a..70ffb1106c 100644
--- a/src/utils/LazyValue.ts
+++ b/src/utils/LazyValue.ts
@@ -29,7 +29,7 @@ export class LazyValue<T> {
      * Whether or not a cached value is present.
      */
     public get present(): boolean {
-        // we use a tracking variable just in case the final value is falsey
+        // we use a tracking variable just in case the final value is falsy
         return this.done;
     }
 
diff --git a/src/utils/Singleflight.ts b/src/utils/Singleflight.ts
index 07d82efa3e..93822594a2 100644
--- a/src/utils/Singleflight.ts
+++ b/src/utils/Singleflight.ts
@@ -34,7 +34,7 @@ const keyMap = new EnhancedMap<Object, EnhancedMap<string, unknown>>();
  * second call comes through late. There are various functions named "forget"
  * to have the cache be cleared of a result.
  *
- * Singleflights in our usecase are tied to an instance of something, combined
+ * Singleflights in our use case are tied to an instance of something, combined
  * with a string key to differentiate between multiple possible actions. This
  * means that a "save" key will be scoped to the instance which defined it and
  * not leak between other instances. This is done to avoid having to concatenate
diff --git a/src/utils/beacon/useBeacon.ts b/src/utils/beacon/useBeacon.ts
index 91b00104a1..e1dcfc4975 100644
--- a/src/utils/beacon/useBeacon.ts
+++ b/src/utils/beacon/useBeacon.ts
@@ -54,7 +54,7 @@ export const useBeacon = (beaconInfoEvent: MatrixEvent): Beacon | undefined => {
         }
     }, [beaconInfoEvent, matrixClient]);
 
-    // beacon update will fire when this beacon is superceded
+    // beacon update will fire when this beacon is superseded
     // check the updated event id for equality to the matrix event
     const beaconInstanceEventId = useEventEmitterState(
         beacon,
diff --git a/src/utils/direct-messages.ts b/src/utils/direct-messages.ts
index 0932cc9aaf..e67c01c7ca 100644
--- a/src/utils/direct-messages.ts
+++ b/src/utils/direct-messages.ts
@@ -175,7 +175,7 @@ export class ThreepidMember extends Member {
         this.id = id;
     }
 
-    // This is a getter that would be falsey on all other implementations. Until we have
+    // This is a getter that would be falsy on all other implementations. Until we have
     // better type support in the react-sdk we can use this trick to determine the kind
     // of 3PID we're dealing with, if any.
     get isEmail(): boolean {
diff --git a/src/utils/exportUtils/exportCustomCSS.css b/src/utils/exportUtils/exportCustomCSS.css
index 0a0a2c2005..a62f890649 100644
--- a/src/utils/exportUtils/exportCustomCSS.css
+++ b/src/utils/exportUtils/exportCustomCSS.css
@@ -120,7 +120,7 @@ a.mx_reply_anchor:hover {
 }
 
 .mx_ReplyChain_Export {
-    margin-top: 0px;
+    margin-top: 0;
     margin-bottom: 5px;
 }
 
diff --git a/src/utils/permalinks/ElementPermalinkConstructor.ts b/src/utils/permalinks/ElementPermalinkConstructor.ts
index b901581ca6..01525081a6 100644
--- a/src/utils/permalinks/ElementPermalinkConstructor.ts
+++ b/src/utils/permalinks/ElementPermalinkConstructor.ts
@@ -80,7 +80,7 @@ export default class ElementPermalinkConstructor extends PermalinkConstructor {
     }
 
     /**
-     * Parses an app route (`(user|room)/identifer`) to a Matrix entity
+     * Parses an app route (`(user|room)/identifier`) to a Matrix entity
      * (room, user).
      * @param {string} route The app route
      * @returns {PermalinkParts}
diff --git a/src/utils/permalinks/Permalinks.ts b/src/utils/permalinks/Permalinks.ts
index 4ab355fe78..d4d6627051 100644
--- a/src/utils/permalinks/Permalinks.ts
+++ b/src/utils/permalinks/Permalinks.ts
@@ -274,7 +274,7 @@ export function makeUserPermalink(userId: string): string {
 
 export function makeRoomPermalink(roomId: string): string {
     if (!roomId) {
-        throw new Error("can't permalink a falsey roomId");
+        throw new Error("can't permalink a falsy roomId");
     }
 
     // If the roomId isn't actually a room ID, don't try to list the servers.
diff --git a/test/components/views/beacon/LeftPanelLiveShareWarning-test.tsx b/test/components/views/beacon/LeftPanelLiveShareWarning-test.tsx
index a05fbf348f..8a10f73575 100644
--- a/test/components/views/beacon/LeftPanelLiveShareWarning-test.tsx
+++ b/test/components/views/beacon/LeftPanelLiveShareWarning-test.tsx
@@ -168,7 +168,7 @@ describe('<LeftPanelLiveShareWarning />', () => {
             const component = getComponent();
             // error mode
             expect(component.find('.mx_LeftPanelLiveShareWarning').at(0).text()).toEqual(
-                'An error occured whilst sharing your live location',
+                'An error occurred whilst sharing your live location',
             );
 
             act(() => {
diff --git a/test/components/views/beacon/RoomLiveShareWarning-test.tsx b/test/components/views/beacon/RoomLiveShareWarning-test.tsx
index 13ae42fce4..2a6956c92b 100644
--- a/test/components/views/beacon/RoomLiveShareWarning-test.tsx
+++ b/test/components/views/beacon/RoomLiveShareWarning-test.tsx
@@ -359,7 +359,7 @@ describe('<RoomLiveShareWarning />', () => {
 
                     // renders wire error ui
                     expect(component.find('.mx_RoomLiveShareWarning_label').text()).toEqual(
-                        'An error occured whilst sharing your live location, please try again',
+                        'An error occurred whilst sharing your live location, please try again',
                     );
                     expect(findByTestId(component, 'room-live-share-wire-error-close-button').length).toBeTruthy();
                 });
diff --git a/test/components/views/beacon/__snapshots__/LeftPanelLiveShareWarning-test.tsx.snap b/test/components/views/beacon/__snapshots__/LeftPanelLiveShareWarning-test.tsx.snap
index d1d6dd56c0..0dd32a9387 100644
--- a/test/components/views/beacon/__snapshots__/LeftPanelLiveShareWarning-test.tsx.snap
+++ b/test/components/views/beacon/__snapshots__/LeftPanelLiveShareWarning-test.tsx.snap
@@ -69,7 +69,7 @@ exports[`<LeftPanelLiveShareWarning /> when user has live location monitor rende
       role="button"
       tabIndex={0}
     >
-      An error occured whilst sharing your live location
+      An error occurred whilst sharing your live location
     </div>
   </AccessibleButton>
 </LeftPanelLiveShareWarning>
diff --git a/test/components/views/beacon/__snapshots__/RoomLiveShareWarning-test.tsx.snap b/test/components/views/beacon/__snapshots__/RoomLiveShareWarning-test.tsx.snap
index c9695ddf58..8701c83c91 100644
--- a/test/components/views/beacon/__snapshots__/RoomLiveShareWarning-test.tsx.snap
+++ b/test/components/views/beacon/__snapshots__/RoomLiveShareWarning-test.tsx.snap
@@ -32,7 +32,7 @@ exports[`<RoomLiveShareWarning /> when user has live beacons and geolocation is
       <span
         className="mx_RoomLiveShareWarning_label"
       >
-        An error occured whilst sharing your live location, please try again
+        An error occurred whilst sharing your live location, please try again
       </span>
       <AccessibleButton
         className="mx_RoomLiveShareWarning_stopButton"