From b871bfa1a299bb3fda086368d707c13ae0d3d1a1 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 6 Apr 2015 20:40:01 +0000
Subject: [PATCH] vfork() first appeared in 3BSD which pre-dates 2.9BSD. 
 Verified via the copy of 3BSD on disc 1 of "The CSRG Archives".

PR:		198612
MFC after:	1 week
---
 lib/libc/sys/vfork.2 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/libc/sys/vfork.2 b/lib/libc/sys/vfork.2
index f93b4290320f..051826238a32 100644
--- a/lib/libc/sys/vfork.2
+++ b/lib/libc/sys/vfork.2
@@ -28,7 +28,7 @@
 .\"     @(#)vfork.2	8.1 (Berkeley) 6/4/93
 .\" $FreeBSD$
 .\"
-.Dd November 13, 2009
+.Dd April 6, 2015
 .Dt VFORK 2
 .Os
 .Sh NAME
@@ -111,7 +111,7 @@ Same as for
 The
 .Fn vfork
 system call appeared in
-.Bx 2.9 .
+.Bx 3 .
 .Sh BUGS
 To avoid a possible deadlock situation,
 processes that are children in the middle