diff --git a/share/man/man4/ddb.4 b/share/man/man4/ddb.4
index a1e874083754..ff6762b9a1ca 100644
--- a/share/man/man4/ddb.4
+++ b/share/man/man4/ddb.4
@@ -1,4 +1,4 @@
-.\"	$NetBSD: ddb.4,v 1.32 1999/03/16 01:19:15 garbled Exp $
+.\"	$NetBSD: ddb.4,v 1.33 1999/03/18 21:43:13 ross Exp $
 .\"
 .\" Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -100,7 +100,7 @@ There are also key sequences for each port that will activate
 from the keyboard:
 .Bl -tag -offset indent -width "mvme68k"
 .It alpha
-<Ctrl>-<Alt>-<Esc> on PC style keyboards.
+<Ctrl>-<Alt>-<Esc> on PC style keyboards. From a serial console, send a break.
 .It amiga
 <LAlt>-<LAmiga>-<F10>
 .It atari