Yep, there is a window of a couple of hours after making a post where you can go back and edit it
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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If it's outside of this time, just drop me a message and I'll be happy to help edit an older post. We have to set this time limit so that spammers don't try to bypass our anti-spam filters.