diff --git a/NEWS b/NEWS
index 65ec4e5af0..618e994ca0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,5 @@
-GNU C Library NEWS -- history of user-visible changes.  2002-8-28
-Copyright (C) 1992-2000,01,02 Free Software Foundation, Inc.
+GNU C Library NEWS -- history of user-visible changes.  2002-8-29
+Copyright (C) 1992-2001, 2002 Free Software Foundation, Inc.
 See the end for copying conditions.
 
 Please send GNU C library bug reports using the `glibcbug' script to
@@ -20,7 +20,8 @@ Version 2.3
   tools and recent versions of the GNU binutils.  Contributed by Jakub Jelinek.
 
 * Read-only stdio streams now use mmap to speed up operation by eliminating
-  copying and buffer underflows.  Implemented by Ulrich Drepper.
+  copying and buffer underflows.  To use add 'm' to the mode string of
+  the fopen/fdopen/freopen call.  Implemented by Ulrich Drepper.
 
 * The malloc functions were completely rewritten by Wolfram Gloger based
   on Doug Lea's malloc-2.7.0.c.