git: bcc57e971597 - main - intro.2: Import HISTORY from OpenBSD but our style

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=bcc57e971597d28a3ab1f972775b295cc60e1017

commit bcc57e971597d28a3ab1f972775b295cc60e1017
Author:     Alexander Ziaee <concussious@runbox.com>
AuthorDate: 2024-04-19 22:22:39 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2024-04-19 22:30:14 +0000

    intro.2: Import HISTORY from OpenBSD but our style
    
    Reviewed by: imp, brooks
    Pull Request: https://github.com/freebsd/freebsd-src/pull/1065
---
 lib/libsys/intro.2 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/libsys/intro.2 b/lib/libsys/intro.2
index 07b294e344a7..11ed5b6be2f9 100644
--- a/lib/libsys/intro.2
+++ b/lib/libsys/intro.2
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 8, 2016
+.Dd April 19, 2024
 .Dt INTRO 2
 .Os
 .Sh NAME
@@ -763,3 +763,8 @@ chosen from the address family in which the socket was created.
 .Sh SEE ALSO
 .Xr intro 3 ,
 .Xr perror 3
+.Sh HISTORY
+The
+.Nm Ns Pq 2
+manual page first appeared in
+.At v5 .