Man pages matching name ssh-pkcs11-helper in section 8:

ssh-pkcs11-helper.8.en	debian 10 / openssh-client
ssh-pkcs11-helper.8.de	debian 11 / manpages-de
ssh-pkcs11-helper.8.en	debian 11 / openssh-client
ssh-pkcs11-helper.8.de	debian 12 / manpages-de
ssh-pkcs11-helper.8.en	debian 12 / openssh-client