diff --git a/share/man/man4/options.4 b/share/man/man4/options.4
index f76d98e9e131..95446b9fe8be 100644
--- a/share/man/man4/options.4
+++ b/share/man/man4/options.4
@@ -1,4 +1,4 @@
-.\"	$NetBSD: options.4,v 1.417 2012/11/03 16:47:54 tsutsui Exp $
+.\"	$NetBSD: options.4,v 1.418 2012/12/19 13:35:45 mbalmer Exp $
 .\"
 .\" Copyright (c) 1996
 .\" 	Perry E. Metzger.  All rights reserved.
@@ -30,7 +30,7 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\"
-.Dd November 3, 2012
+.Dd December 19, 2012
 .Dt OPTIONS 4
 .Os
 .Sh NAME
@@ -2224,9 +2224,13 @@ Use CLOCK-Pro, an alternative page replace policy.
 .Ss Security Options
 .Bl -ohang
 .It Cd options INSECURE
-Hardwires the kernel security level at \-1.
-This means that the system
-always runs in secure level \-1 mode, even when running multiuser.
+Initializes the kernel security level with \-1 instead of 0.
+This means that the system always starts in secure level \-1 mode, even when
+running multiuser, unless the securelevel variable is set to value > \-1 in
+.Pa /etc/rc.conf .
+In this case the kernel security level will be raised to that value when the
+.Pa /etc/rc.d/securlevel
+script is run during system startup.
 See the manual page for
 .Xr init 8
 for details on the implications of this.