FYI -Editing a post.Click on your post and at the

FYI -Editing a post.Click on your post and at the
upper right above the date it reads "Edit Msg " and you have up to
15 minutes to edit your post.
You should see in parentheses how much time you have left.
Example -Edit Msg (5).
Click edit msg and edit post then click save at bottom when done.

Because if it's not right you may get a tirade pm from the pissed off "Lady".

EDIT-
FYI When Using Mobile app Edit Msg apparently does not work.