Create a course and enroll some students. Set up the grade book with some categories and grade items. Enable feedback fields in "Grade administration" > "Setup" > "Preferences: Grader report" - select "Yes" from the "Show quick feedback" dropdown. Access the grader report and turn editing on. Use your browser to inspect the editable fields, ensure the categories and items have unique labels. The grade items should have labels similar to "Student Name Grade Item grade" The categories should have labels similar to "Student Name Category Name total grade" The feedback fields should have labels similar to "Student Name Grade Item feedback"