on my one webstie www.antifmradio.com
i want to alter the link that is generated in the MENU for the forums
because they are not working well in this theme

Right now the link says
Message Boards

This goes to the foourms on my domain http://www.antifmradio.com/modules.php?name=Forums

however
(now watch carefully)
i want to change the embeded link to
http://www.clubexl.com/forums/index.php


My boards are located on a different domain @ www.clubexl.com


so.............which file do i need to alter the embeded link that is generated?