> Within a > .Xr jail 8 > the hostname is generally already set and this variable may absent. s/may/may be/
Take.
A commit references this bug: Author: 0mp Date: Sun Feb 9 15:13:57 UTC 2020 New revision: 357702 URL: https://svnweb.freebsd.org/changeset/base/357702 Log: Add a missing word in rc.conf.5 PR: 243972 Submitted by: PauAmma <pauamma@gundo.com> Approved by: bcr (mentor) Differential Revision: https://reviews.freebsd.org/D23584 Changes: head/share/man/man5/rc.conf.5
Thanks!