Rich Text Tags plugin allows you to edit tags, category, and taxonomy descriptions using built-in WordPress WYSIWYG editor. You get a TinyMCE editor for tags, categories, and taxonomies.
Switch between HTML editing and WYSIWYG visual editor is a click on the link. Use the standard loader to embed images from your computer or the built-in media library.
Use of such CMS functions as tag_description() and category_description() in your theme to show description. For more information on how to display the description read on the plugin page.
Edit term descriptions with the built-in WordPress WYSIWYG editor
Work with taxonomy of the site (types of posts, introduced in the 3rd version)
Now there is support for fields biography user!