I think this is what you are looking for:
http://codex.wordpress.org/Appearance_Menus_Screen
Please note that down at the bottom in the “Adding Menu Support to Themes” section, there are links on adding the correct code to make menus appear in the admin section, if they aren’t already there.
Once you have a menu set up, and you place the code correctly, you should be able to add/remove navigation items with ease!
I read that. This is for adding a menu module in lieu of the theme’s menu. I want to make changes to the menu I already have within the theme.
Oops! I messed around with that page anyway, and I didn’t realize that it would change the theme’s menu. I thought it added a widget on the side of the page.
So in other words, it’s exactly what I needed! Thank you SO much! 😀