IDK anything about manpages but the debian package linter complain about this:
kplex: manpage-has-errors-from-man usr/share/man/man1/kplex.1.gz line 16: 'R' is a string (producing the registered sign), not a macro.
kplex: manpage-section-mismatch usr/share/man/man1/kplex.1.gz:1 1 != 8