There is a typo in **Favorite/Unfavorite feature** of the **Implementation** section of the developer guide. In the second paragraph, I think `XXFavCommanParser` should be `XXFavCommandParser` instead.  <!--session: 1731053572816-b0bb0d81-efaf-484f-928d-79060580da7f--> <!--Version: Desktop v3.5.4-->