$ man ntpd
Problems. As in front of it in $MANPATH is:
and all the other man pages for ntpd from base.
I happened to realise what was happening, so I could have a look at man(1)
$ man -M /usr/local/man: ntpd
which prepends that path to $MANPATH and you then get to see the page from the port.
I mentioned it on docs@ & was advised by Ben Kaduk that it merited a pr:
A commit references this bug:
Date: Mon May 18 19:36:52 UTC 2020
New revision: 535779
Add a note in pkg-message that you need to override the manual search
path to view the correct ntpd(8) man page.
This also affects, even more so, the net/ntp and net/ntpsec ports. There is no good solution.
I have added a note in pkg-message.