diff --git a/usr.bin/du/du.1 b/usr.bin/du/du.1
index 0a280acf47a0..52a896aea9dc 100644
--- a/usr.bin/du/du.1
+++ b/usr.bin/du/du.1
@@ -1,4 +1,4 @@
-.\"	$NetBSD: du.1,v 1.11 2001/12/01 16:43:12 wiz Exp $
+.\"	$NetBSD: du.1,v 1.12 2001/12/01 19:03:31 wiz Exp $
 .\"
 .\" Copyright (c) 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -116,7 +116,7 @@ Files having multiple hard links are counted (and displayed) a single
 time per
 .Nm
 execution.
-.Sh ENVIRONMENT VARIABLES
+.Sh ENVIRONMENT
 .Bl -tag -width BLOCKSIZE
 .It Ev BLOCKSIZE
 If the environment variable