What does this mean!!!

[ForgotenDynasty]

Im creating user groups an next to two of them I have asterisks (*)
What does it mean?

http://i177.photobucket.com/albums/w238/forgotendynasty/stars.png

[Spank]

I've wondered this myself actually, I also have 2 usergroups with *'s next to them.

[Dismounted]

Groups marked with an * can be selected by their members to override the username markup and user title from their primary usergroup.

[Spank]

Oh brilliant, thanks for that. :)