Man pages matching name resolvconf in section 8:

resolvconf.8.en	debian 10 / openresolv
resolvconf.8.en	debian 10 / resolvconf
resolvconf.8.en	debian 11 / openresolv
resolvconf.8.en	debian 11 / resolvconf
resolvconf.8.en	debian 12 / openresolv
resolvconf.8.en	debian 12 / resolvconf