Remove superflous bracket

bigbluebutton/django/models.py

@@ -203,7 +203,7 @@ class Meeting(models.Model):
             ("join_as_moderator", _("Can join this meeting with moderator role")),
             ("grant_attendee", _("Can grant attendee privileges to others")),
             ("grant_moderator", _("Can grant moderator privileges to others")),
-            ("add_urls", _("Can add new URLs for this meeting"))),
+            ("add_urls", _("Can add new URLs for this meeting")),
         ]
 
 class APIToken(models.Model):