Add a comment reminder to update doc when we update which filters are in which filter-sets.
Add a comment reminder to update doc when we update which filters are in which
filter-sets.


crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp