Firefox is nice, so nice that it saves all entries you made to a form field. But it only does this when you check the 'Remember what I enter in forms and search bar' check box in Tools>Options>Privacy tab.
Once you check this box, Firefox remembers all entries you made to a form field and the next time you type, it mentions all older entries as recommendation. But this nice gesture becomes very frustrating when Firefox also remembers all the wrong entries you made(due to typos or...