Man pages matching name fcgi::procmanager::maxrequests in section 3pm:

FCGI::ProcManager::MaxRequests.3pm.en	debian 10 / libfcgi-procmanager-maxrequests-perl
FCGI::ProcManager::MaxRequests.3pm.en	debian 11 / libfcgi-procmanager-maxrequests-perl
FCGI::ProcManager::MaxRequests.3pm.en	debian 12 / libfcgi-procmanager-maxrequests-perl