diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index 4cc6711..9c67953 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1,4 +1,4 @@
-*change.txt*    For Vim version 7.0g.  Last change: 2006 Apr 30
+*change.txt*    For Vim version 7.0g.  Last change: 2006 May 05
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1429,8 +1429,9 @@
 "c"	automatic formatting for comments, but not text (good for C code)
 "tc"	automatic formatting for text and comments
 
-Note that when 'textwidth' is 0, Vim does no formatting anyway (but does
-insert comment leaders according to the 'comments' option).
+Note that when 'textwidth' is 0, Vim does no automatic formatting anyway (but
+does insert comment leaders according to the 'comments' option).  An exception
+is when the 'a' flag is present. |auto-format|
 
 Note that when 'paste' is on, Vim does no formatting at all.
 
@@ -1485,6 +1486,9 @@
 
 - Add the 'c' flag to only auto-format comments.  Useful in source code.
 
+- Set 'textwidth' to the desired width.  If it is zero then 79 is used, or the
+  width of the screen if this is smaller.
+
 And a few warnings:
 
 - When part of the text is not properly separated in paragraphs, making