1. Roll mouse over Edit. Select Spell Check.
2. Spelling dialog box will appear. It shows the mis-spelled word.
3. Plus it will give you a list of word possibilities. Highlight the correct word to replace the mis-spelled word.
4. There are several options available to you:
5. Ignore: Ignore this word once, but check it again.
6. Change: Use the suggested word in the Suggestions pane
7. Ignore All: Ignore this word throughout the document.
8. Change All: Use the suggested word to change all instances of this word.
9. Cancel: Stop all

NOTE:  when the Spell Checker has located all the mis-spelled words, it will become blank.