Can anyone tell me how to restore pwords on firefox?

okk well heres my problem. i saved my myspace pword on firefox. i forgot what my pword was and i accidently saved a wrong pword on my firefox so when i looked at the saved pwords the wrong one comes up. is there anyway i could see the other ones i saved for myspace? im confusing myself by writing this... lol can anyone help me..?? pleaseeee?