Step 1: Navigate to the "Admin" panel using the top navigation bar
Step 2: Click on the "Reviews" feature found on the left Administration panel
Step 3: Select the "Templates" tab and find the template you would like to edit
Step 4: To the right of the name of that template, click "Edit"
Quick Note: You can edit templates that aren't in use or aren't default templates (designated by a lock symbol). The templates that cannot be edited will say "View" next to them instead of "Edit."