message: Fix message description
diff: },
  "data_limits_usage": {
  "message": "$USED$ of $TOTAL$ used",
  - "description": "This string appears as a title in a dialog to advertise the data limits feature.",
  + "description": "This string appears in a tooltip when the data limits feature is enabled. It lets the user know how much data an access key has used, relative to the limit.",
  "placeholders": {
  "USED": {
  "content": "{used}",
  