diff --git a/usr.sbin/rtsold/rtsold.8 b/usr.sbin/rtsold/rtsold.8
index 7b1acab64618..71c6a3390283 100644
--- a/usr.sbin/rtsold/rtsold.8
+++ b/usr.sbin/rtsold/rtsold.8
@@ -1,4 +1,4 @@
-.\"	$NetBSD: rtsold.8,v 1.29 2010/01/11 09:49:19 wiz Exp $
+.\"	$NetBSD: rtsold.8,v 1.30 2010/01/11 14:30:02 wiz Exp $
 .\"	$KAME: rtsold.8,v 1.17 2001/07/09 22:30:37 itojun Exp $
 .\"
 .\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -102,7 +102,7 @@ option is specified and the
 daemon cannot get the interface status.
 This feature does not conform to the IPv6 neighbor discovery
 specification, but is provided for mobile stations.
-The default interval for router advertisements, which is in the order of 10
+The default interval for router advertisements, which is on the order of 10
 minutes, is slightly long for mobile stations.
 This feature is provided
 for such stations so that they can find new routers as soon as possible