Man pages matching name acheck in section 5:

acheck.5.en	debian 10 / acheck
acheck.5.fr	debian 10 / acheck
acheck.5.en	debian 11 / acheck
acheck.5.fr	debian 11 / acheck
acheck.5.en	debian 12 / acheck
acheck.5.fr	debian 12 / acheck