git: 8a331a855ed8 - stable/13 - pf: add note about changes ported from OpenBSD after 4.5

The branch stable/13 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=8a331a855ed8100ea5ef12ac85c23b80b37f9371

commit 8a331a855ed8100ea5ef12ac85c23b80b37f9371
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2023-09-27 17:59:30 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2023-09-29 12:41:07 +0000

    pf: add note about changes ported from OpenBSD after 4.5
    
    The last comprehensive sync with OpenBSD's pf corresponds to
    OpenBSD 4.5, but many changes have been ported over since then.
    
    Reviewed by:    kp, gbe, Kajetan Staszkiewicz <vegeta@tuxpowered.net>
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D42002
    
    (cherry picked from commit 3e609fd481c07802fe837ed834c3710b8c19493c)
---
 share/man/man4/pf.4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/share/man/man4/pf.4 b/share/man/man4/pf.4
index 4055c66fbbce..4f0ff50d3db5 100644
--- a/share/man/man4/pf.4
+++ b/share/man/man4/pf.4
@@ -1219,6 +1219,9 @@ and then
 .Pp
 This implementation is derived from
 .Ox 4.5 .
+A number of individual features, improvements, bug fixes and security fixes
+have been ported from later versions of
+.Ox .
 It has been heavily modified to be capable of running in multithreaded
 .Fx
 kernel and scale its performance on multiple CPUs.