If you made a mistake while writing your post or need to add more information, you can edit the post. If you’re a new member, the time you have to edit a post is about an hour. That time will increase the longer you are a community member.
Go to the post you want to change. Hover your mouse over the three dots on the right bottom corner, and click on "Edit":
Note: If you’re unable to edit a post and need information removed (such as personal information), flag the post for a Moderator. If you need to add info and can’t edit the post, make a comment on the post.