===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/netstat/netstat.1,v
retrieving revision 1.79
retrieving revision 1.80
diff -u -r1.79 -r1.80
--- src/usr.bin/netstat/netstat.1	2016/09/01 14:20:13	1.79
+++ src/usr.bin/netstat/netstat.1	2016/10/12 13:04:03	1.80
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: netstat.1,v 1.79 2016/09/01 14:20:13 bluhm Exp $
+.\"	$OpenBSD: netstat.1,v 1.80 2016/10/12 13:04:03 jca Exp $
 .\"	$NetBSD: netstat.1,v 1.11 1995/10/03 21:42:43 thorpej Exp $
 .\"
 .\" Copyright (c) 1983, 1990, 1992, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	from: @(#)netstat.1	8.8 (Berkeley) 4/18/94
 .\"
-.Dd $Mdocdate: September 1 2016 $
+.Dd $Mdocdate: October 12 2016 $
 .Dt NETSTAT 1
 .Os
 .Sh NAME
@@ -234,6 +234,14 @@
 Only the super-user can use the
 .Fl P
 option.
+.Pp
+The
+.Fl P
+option requires the ability to open
+.Pa /dev/kmem
+which may be restricted based upon the value of the
+.Ar kern.allowkmem
+.Xr sysctl 8 .
 .It Fl p Ar protocol
 Restrict the output to
 .Ar protocol ,