one night for a stupid logoff mistake

hi everyone,
can you add in the doc an warning for log and unlog after an :
# cap_mkdb /etc/login.conf

because i was pass one night with gnome-terminal problem on utf-8

https://forums.freebsd.org/threads/setting-locale-accented-characters-in-console.71696/
https://www.linuxquestions.org/questions/linux-newbie-8/locale-not-supported-by-c-library-786039/

I just spent a full night on this stupid mistake

thanks,
white-wolf.