You can always return to the issues you have already evaluated to double-check your scores or change them if needed.
To check and change the scores:
Click Assessment Grid.
Choose filter Evaluated.
Set your cursor in the cell with the score you want to change.
Type a new score number.
Switch the toggle on/off to show/hide the criteria description.
Switch the toggle to turn Fast Input on/off.
Press ? to see the hotkeys.