Editing your posts is easy! Take that Elon Musk! Here are the steps:
WEBSITE (mobile below):
From the home page, click the “open” link of the post to view the post in the forum:
Click the “Edit” link at the top right of the post in the forum:
Edit the post using the compose dialog and hit submit.
All done! Your edit will appear on the home page, the forum, and the mobile app!
MOBILE VERSION
Click the “circle down arrow” below your post you wish to edit. It’s the thing between the comment bubble and thumbs up:
Click the Edit button in the dialog: