Improve fallback ICE setting label

src/settings/Settings.js

@@ -374,7 +374,10 @@ export const SETTINGS = {
     },
     "fallbackICEServerAllowed": {
         supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS,
-        displayName: _td("Allow fallback call assist server turn.matrix.org"),
+        displayName: _td(
+            "Allow fallback call assist server turn.matrix.org when your homeserver " +
+            "does not offer one (your IP address would be shared during a call)",
+        ),
         // This is a tri-state value, where `null` means "prompt the user".
         default: null,
     },