diff --git a/share/man/man4/bpf.4 b/share/man/man4/bpf.4
index 74690cd79ee8..9fa79d4f180c 100644
--- a/share/man/man4/bpf.4
+++ b/share/man/man4/bpf.4
@@ -1,6 +1,6 @@
 .\" -*- nroff -*-
 .\"
-.\"	$NetBSD: bpf.4,v 1.26 2003/06/26 10:20:39 wiz Exp $
+.\"	$NetBSD: bpf.4,v 1.27 2003/06/27 18:14:46 wiz Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1992, 1993, 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -291,7 +291,7 @@ specified by FIOSETOWN.  It defaults to SIGIO.
 .Sh STANDARD IOCTLS
 .Nm
 now supports several standard
-.Xr ioctl 2 's
+.Xr ioctl 2 Ns 's
 which allow the user to do async and/or non-blocking I/O to an open
 .I bpf
 file descriptor.