message: Fix use of wrong char
diff: "Online": "Online",
  "Idle": "Idle",
  "Offline": "Offline",
  - "Disable URL previews for this room (affects only you)"; "Disable URL previews for this room (affects only you)"
  + "Disable URL previews for this room (affects only you)": "Disable URL previews for this room (affects only you)"
  }
  