Question about FireFox's spell check feature

[weister42]

Ya know when you right click on the misspelled word it gives you an option to add the word, well I've accidentally added two misspelled words because the options are so damn close to each other. How do I delete the added words?

[ThaiTanium22]

1.) My Computer
2.) Tools
3.) Folder Options
4.) View
5.) Hidden files and folders
6.) Show hidden files and folders
7.) C:\Documents and Settings\You\Application Data\Mozilla\Firefox\Profiles\You
8.) Open "persdict.dat" with Notepad
9.) Remove the misspelled words
10.) Save