MediaWiki:Userrights-groups-help

You may alter the groups this user is in:
 * A checked box means the user is in that group.
 * An unchecked box means the user is not in that group.
 * A * indicates that you cannot remove the group once you have added it, or vice versa.
 * More information on what each group means can be found at Help:User access levels
 * Groups can be added or removed depending on the situation.
 * For more info on the groups here and the people in the groups on the, go here: Staff of the Wiki