Guide how to get rid of wrong save form data
Have you ever typ0 “typographical error” your login name in firefox, only to have it save the wrong entry as well as the correct one? How do you get rid of the wrong entry? You could clean up out all of your saved information, but why just for one mistake!
Go to the form where the mistake is. Put your cursor in the text entry form and hit down until you highlight the incorrect entry. Now press shift + delete