W in the 1st hour, theres an edit button in the bottom right corner of your post, to the right of the LIKE button. May be obscured behind 3 small dots if on a mobile platform.
Click the 3dots and a drop down menu appears w EDIT as 1 of the choices.
If the edit window has expired, flag the post you want editted and describe what you'd like changed. All Mods get flag notices and any one of us can make the changes for you.
