Board Thread:Support Requests - Getting Started/@comment-4146635-20140305044824

Hi! I want to know how I can add a set of content to Boards, below the introduction that is automatically there. I have seen this done on a few wikis. I want to add a ruleset and a few reminders. Does anyone know how this can be done? Here is what I'm looking to do:

Please help! Thanks, I truly appreciate it! :D (by the way I want to do this on a wiki I am admin on, not actually here :P) 