diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index 5bcc8c2185ba..dd313542d2a1 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: sysctl.3,v 1.13 1997/05/29 01:48:15 cgd Exp $
+.\"	$NetBSD: sysctl.3,v 1.14 1997/06/06 23:24:00 veego Exp $
 .\"
 .\" Copyright (c) 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -195,6 +195,7 @@ privilege may change the value.
 .It HW\_PHYSMEM	integer	no
 .It HW\_USERMEM	integer	no
 .It HW\_PAGESIZE	integer	no
+.It HW\_MACHINE\_ARCH	string	no
 .\".It HW\_DISKNAMES	integer	no
 .\".It HW\_DISKSTATS	integer	no
 .El
@@ -214,6 +215,8 @@ The bytes of physical memory.
 The bytes of non-kernel memory.
 .It Li HW_PAGESIZE
 The software page size.
+.It Li HW_MACHINE_ARCH
+The machine cpu class.
 .\".It Fa HW_DISKNAMES
 .\".It Fa HW_DISKSTATS
 .El