diff --git a/share/man/man4/vnd.4 b/share/man/man4/vnd.4
index e3a454e15d33..f7a458217b3a 100644
--- a/share/man/man4/vnd.4
+++ b/share/man/man4/vnd.4
@@ -1,4 +1,4 @@
-.\"	$NetBSD: vnd.4,v 1.16 2009/03/26 17:33:41 joerg Exp $
+.\"	$NetBSD: vnd.4,v 1.17 2009/12/18 23:37:38 dyoung Exp $
 .\"
 .\" Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd February 1, 2006
+.Dd December 18, 2009
 .Dt VND 4
 .Os
 .Sh NAME
@@ -93,3 +93,7 @@ The compression handling is based on code by
 The
 .Nm
 driver does not work if the file does not reside in a local filesystem.
+.Pp
+The
+.Nm
+driver does not work if the file is sparse.