Corrected install-mh man page to show that it is installed in section 1, not 8.

[nmh] / docs / historical / mh-6.8.5 / conf / examples / mhmts

# mhmts         - stand-alone mhmts template
bin     /usr/local
bboards off
etc     /usr/local/lib/mh
mail    /usr/spool/mail
manuals local
mts     mh
mf      on