Man pages matching name mhparam in section 1mh:

mhparam.1mh.en	debian 10 / mmh
mhparam.1mh.en	debian 10 / nmh
mhparam.1mh.en	debian 11 / mmh
mhparam.1mh.en	debian 11 / nmh
mhparam.1mh.en	debian 12 / mmh
mhparam.1mh.en	debian 12 / nmh