The following video illustrates how to edit a library comment for one student.
1. Begin by highlighting the text you which to comment on and select a comment from the list.
2. Click on the gray text in the comment window and start changing the comment.
3. Click on save to insert the comment to the student.
Note: If you change the comment like described above, the problem of the comment will be changed. If you want to change the solution as well you will have to update the library, then click on Update Library