Adding a new mirror to the Extras mirror list

[David Timms]

How would one go about getting a new mirror added to the mirrorlist:
http://fedora.redhat.com/download/mirrors/fedora-extras-5 ?

Recently, my local mirror has begin rsyncing extras, I also noticed that 
there are many more mirrors listed that could be added to the yum 
accessible list - after checking they are OK ?
http://fedoraproject.org/wiki/Extras/Mirrors

DaveT.