diff --git a/share/man/man4/sbus.4 b/share/man/man4/sbus.4
index 8e35e545adee..70bab959414b 100644
--- a/share/man/man4/sbus.4
+++ b/share/man/man4/sbus.4
@@ -1,4 +1,4 @@
-.\"	$NetBSD: sbus.4,v 1.5 2002/01/21 17:54:10 wiz Exp $
+.\"	$NetBSD: sbus.4,v 1.6 2002/03/12 16:19:27 uwe Exp $
 .\"
 .\" Copyright (c) 2001 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -116,6 +116,11 @@ framebuffer device.
 .It tcx
 framebuffer device.
 .El
+.Ss Audio devices
+.Bl -tag -width xxxxxxxx -offset indent
+.It audiocs
+CS4231 codec.
+.El
 .Sh SEE ALSO
 .Xr intro 4
 .Sh HISTORY