Edit?
He means the "Modify" button near the Quote button (bottom right of posts). You can also click that paper/pencil symbol on the bottom right.
With the new Spy/Sniper update, I've been kind of looking back to my Steam games. TF2 for the most part, but I am thinking of DLing the newest release for Darkest Hour. I also recommend the MINERVA: Metasis singleplayer campaign for HL2.
I also just got through playing the campaign for World in Conflict again. You've got to love the last missions and all the cutscenes while loading and such.