"vendor" should be sufficient, see https://bbs.archlinux.org/viewtopic.php?id=74829
reboot your machine, once the lilo screen appears hit <TAB>, then enter
LABEL will be something like Linux, Slackware, 3.3.5 or whatever is displayed at the top of the screen.
in case it works
, edit /etc/lilo.conf; adding a line containing
if there already is such a line, just add the parameter.
save and run /sbin/lilo; then reboot.