Can I delete dictionary entries in Word?

You know how it is: Red sqiggly line under word, looks OK to me, click on "Add to Dictionary" -- sudden realisation, that's NOT how you spell it. Now what?

Can I make things right again, or am I stuck with Word accepting a mis-spelling?

Below are the steps to delete dictionary entries in Word 2007.

1. Open Word.
2. Click the Office button.
3. Click the Word Options button.
4. Click Proofing (Pic A - Step 1.)
5. Click Custom Dictionaries (Pic A - Step 2.)
6. Click Edit Word List (Pic A - Step 3.)
7. Select the word from the dictionary which you want to delete and click the Delete button. (Pic B)

Pic A.

Pic B.