Not stupid at all! Took me a while to figure it out too. Though, if you ever need to figure out how to do something like that on lj, the code is all HTML, and there are some pretty good html tutorials out there. But they can be long and involved, so often I just ask!

The code is:

<a href="whatever your url is">the title of your link</a>

Your link will look like:

the title of your link