We tried, but could not find /doku.php?id=doku.php.faq:everydayuse:how_do_i_beautify_the_mailname_of_a_public_room&do=login§ok=4eb70398f5cb05e9f78e7dfe1357d2d6
But hey, you don't have to leave empty handed!
Here are some things you can try instead: