is it possible to safely change the internal name of a forum?
we have one forum which is known as

http://www.poisonfree.com/community/messageboard/postlist.php/Cat/0/Board/sex

originally this was meant to be a joke, it's more like an "emo forum" with people discussing their heartaches, it doesn't contain nudity or anything at all.
But now we got users complaining they can't enter this forum, e.g. from work, because of content filters.
is it possible to change the title afterwards? I'm thinking of changing "sex" into something friendly like "heartcore" ... <img src="https://www.ubbcentral.com/boards/images/graemlins/smile.gif" alt="" />