diff --git a/share/man/man3/intro.3 b/share/man/man3/intro.3
index a34d4d868da0..0683f95c7d66 100644
--- a/share/man/man3/intro.3
+++ b/share/man/man3/intro.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: intro.3,v 1.18 2004/03/20 05:02:00 snj Exp $
+.\"	$NetBSD: intro.3,v 1.19 2004/03/20 05:03:32 snj Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -258,7 +258,7 @@ The terminal-independent operation library.  See
 .Xr termcap 3 .
 .It Em libusb Pq Fl l Ns Ar usb
 The Universal Serial Bus (USB) access library.  See
-.Xr usb 4 .
+.Xr usb 3 .
 .It Em libutil Pq Fl l Ns Ar util
 The system utilities library.  See
 .Xr util 3 .