Why not add these to the main section of the documentation? These are legit strokes some players know how to use in the game and are used irl.
Secret strikes:
to do a topspin strike with a side effect: press Normal Strike, then Short Strike, thenTopspin Strike (with default settings on keyboard => B1, then B1+up, then B1+down)
to do a short slice: press Slice, then Dropshot, then Slice ( => B2, then B2+up, then B2)
to do a slow poor defensive slice: press Slice, then Defensice Lob, then Slice ( => B2, then B2+down, then B2)