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=f3bcf91b75baa312ba174e46b3a0e65a
But hey, you don't have to leave empty handed!
Here are some things you can try instead: