You can edit your own comments in courses with comment-enabled slides.
View Course

View your course in Bridge. If a slide has comments enabled, you may need to scroll down to the bottom of the slide to view comments.
The indicator at the top of the course shows your course progress.
View Comments

View slide comments.
Edit Comment

Locate the comment you want to edit and click the More Options button [1]. Then click the Edit option [2].
Post Comment

In the comment field [1], edit your comment. To add an image to your comment, click the image icon [2]. When you're finished, click the Post Comment link [3].
To cancel, click the expand/collapse icon [4].
View Edited Comment

View your edited comment.