Select Commons.
![select Commons](https://media.screensteps.com/image_assets/assets/004/951/817/original/8d6b7f0c-7f91-45f1-821b-54cfbf731e79.png)
Select Commons from the site's Tool Menu.
Select Edit.
![Select Edit](https://media.screensteps.com/image_assets/assets/006/110/567/original/f29c918c-7b83-4771-90dc-5e39bc216797.png)
Select the Edit link below the comment/reply you want to edit.
Note: You must have edit permissions in order to edit your own or other posts in Commons.
Select Post Comment.
![select post comment](https://media.screensteps.com/image_assets/assets/006/110/570/original/f126cff9-8348-41a4-8eb8-b467b763fa75.png)
Make any desired edits to your comment, then select Post Comment.