Man pages matching name firewalld.richlanguage in section 5:

firewalld.richlanguage.5.en	debian 10 / firewalld
firewalld.richlanguage.5.en	debian 11 / firewalld
firewalld.richlanguage.5.en	debian 12 / firewalld
firewalld.richlanguage.5.en	debian 13 / firewalld