How do I use free-form comments instead of ratings in a Rubric?
When modifying a rubric, you can choose to enable free-form comments instead of using a ratings scale for each criterion. This allows the assessor to write and leave comments related to the specific criterion.
Click on the assignment title to open the assignment you want to evaluate using a free-form comment based rubric.
Click the Pencil icon  to edit the Rubric.