Lacking
You forgot to tell the person to put the mouth on a different layer, but that is something most people should know anyway. You should show a picture of where a person can set the audio to stream and you should show some examples. Instead of using the paint brush tool to draw the arrows, you should use lines to make it look cleaner. The importing .wav file part had a little too much words and the tutorial did not explain how changing the fps would make the audio synch with the lips