diff --git a/share/man/man4/ddb.4 b/share/man/man4/ddb.4
index 6765540b8135..481de646463a 100644
--- a/share/man/man4/ddb.4
+++ b/share/man/man4/ddb.4
@@ -1,4 +1,4 @@
-.\"	$NetBSD: ddb.4,v 1.40 2000/05/13 15:22:16 mycroft Exp $
+.\"	$NetBSD: ddb.4,v 1.41 2000/05/15 20:37:56 jhawk Exp $
 .\"
 .\" Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -710,6 +710,19 @@ Call the function specified by
 with the argument(s) listed in parentheses.
 Parentheses may be omitted if the function takes no arguments.
 The number of arguments is currently limited to 10.
+.It Xo
+.Sm off
+.Ic !
+.Ar address
+.Oo
+.Cm ( Ar expression
+.Op Ar ,...
+.Cm )
+.Oc
+.Sm on
+.Xc
+A synonym for
+.Ic call .
 .El
 .Sh MACHINE-SPECIFIC COMMANDS
 The "glue" code that hooks