So this is about a link in a forum posting, not about links in a Quest game...

If you just put the address in your post, it will get displayed as a link, even though it is not in the preview.

Otherwise, put the text users will see in square brackets, then the address in curved brackets (no space between them).

Just look [here](http://textadventures.co.uk/forum).

Looks like this:

Just look here.

Thank you!