Thread:Bobmath/@comment-25505153-20141009141941/@comment-24453214-20141009145132

In the visual editor, change the style dropdown (which normally says Paragraph) to Heading and type the new heading name, then hit return.

If you want to link to something that explains what the Mongolian death worm is, it's probably easiest to do in the source editor. Near the right of the toolbar is a button that has three horizontal lines. Click that and select Source Editor. Then add something like this: Mongolian death worm Or this: