From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; rv:1.7.3) Gecko/20041001
Description of problem:
The System Groups listview shows the Update Permissions button when
the user is an Admin. This should not appear.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Login as a user with some system groups. Go to the Users -> User List
page and click on user. Then click "System Groups". Notice the
"UPdate Permissions" button and the dashed line above it.
The buttons are only shown if there are also checkboxes to show.