How do you get the wysiwyg editor to show up?

I am setting up version 4.05 and am trying to get the wysiwyg editor to show up for the description field for the general fieldset. I added tinymce editor as well and can't get htmlarea2 or tinymce editor to show up after changing the field type to textarea. I set each editor on the application setup page. Is there another setting I may be missing?

Thanks

Nevermind, I understood the readme files to say set the field as textarea, but I see the html area fields have the wysiwyg editor.