Adding your comments / notes to a Chessable MoveTrainer® course is possible. Please follow these steps.
First, open up the line you want to add a comment to.
Scroll down to the comments area.
In the newly opened page (opens in a new tab), scroll down to the comments area, and write your comment.
For publisher content, Chessable staff will receive an e-mail notification of your comment. For community and titled player content, the author will receive said notification directly.