diff --git a/src/i18n/strings/ja.json b/src/i18n/strings/ja.json
index b8d71cd527..3b2f369729 100644
--- a/src/i18n/strings/ja.json
+++ b/src/i18n/strings/ja.json
@@ -1739,14 +1739,14 @@
     "%(senderName)s: %(reaction)s": "%(senderName)s：%(reaction)s",
     "%(senderName)s: %(message)s": "%(senderName)s：%(message)s",
     "* %(senderName)s %(emote)s": "* %(senderName)s %(emote)s",
-    "%(senderName)s is calling": "%(senderName)sが呼び出し中",
-    "Waiting for answer": "応答を待っています",
+    "%(senderName)s is calling": "%(senderName)sが呼び出しています",
+    "Waiting for answer": "応答を待機しています",
     "%(senderName)s started a call": "%(senderName)sが通話を開始しました",
     "You started a call": "通話を開始しました",
     "Call ended": "通話が終了しました",
     "%(senderName)s ended the call": "%(senderName)sが通話を終了しました",
     "You ended the call": "通話を終了しました",
-    "Call in progress": "通話中",
+    "Call in progress": "通話しています",
     "%(senderName)s joined the call": "%(senderName)sが通話に参加しました",
     "You joined the call": "通話に参加しました",
     "Guest": "ゲスト",
@@ -1972,7 +1972,7 @@
     "QR Code": "QRコード",
     "Home options": "ホームのオプション",
     "Report": "報告",
-    "Message Previews": "メッセージプレビュー",
+    "Message Previews": "メッセージのプレビュー",
     "Forward message": "メッセージを転送",
     "Forward": "転送",
     "Files": "ファイル",