and next month I hope to learn how to post with correct formatting on Lesswrong...
There's a button to the bottom right of the comment box that says "Show help." It'll show you most of what you need to know, and the rest can be found at the links there.
As in Joshua Blaine's original description (below), but may be used to brag about things you've accomplished either this month (December) or the previous one (November), assuming that you haven't brought it up in any earlier Monthly Bragging Thread.