Write an article based on this "Open Facebook. Tap your profile picture. Scroll to a post. Tap ∨. Tap Edit Post. Tap Save."
It's a blue app that contains a lowercase, white "f." It's in the upper-right corner of the screen. Scroll down to a post that you'd like to edit.  Posts are in reverse-chronological order, with the newest at the top of your Timeline. You can only edit your own posts. It's light gray, and you'll find it in the upper-right corner of the post. Now you can change the text and add or delete photos. You can also tag friends, add a feeling or activity that reflects what you're doing, or check in to let people know where you were. It's in the upper-right corner. You've successfully made changes to your post, and the edited version is now on your Timeline.