Notification > Document modified info is not relevant

When you add a doc to your favorites, you receive a notification with an object saying: Favorites has been modified.

Even if I don't really need a notification for a simple action like this, I'd rather receive a "You've added This doc to your Favorites". With a small pragraph explaining what is the goal of the Favorites, and maybe just the first time to not annoy the user.

See screenshot for current state.