change of name of mysite in posterous

 dear sir,
                  today i have registered a site in preposterous, with the name yogesr. but i would like to change it to
 Yogeshr-Badugu.
            please change it or allow me to change it.
      awaiting your reply.
                                               thanking you,
                                                                                                           yours faithfully,
                                                                                                           Yogesh.r