diff --git a/runtime/doc/pattern.txt b/runtime/doc/pattern.txt
index b99b0d7..078d754 100644
--- a/runtime/doc/pattern.txt
+++ b/runtime/doc/pattern.txt
@@ -1,4 +1,4 @@
-*pattern.txt*   For Vim version 7.0aa.  Last change: 2005 May 22
+*pattern.txt*   For Vim version 7.0aa.  Last change: 2005 Aug 14
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -944,6 +944,9 @@
 	This makes it Vi compatible: Without the "\_" or "\n" the collection
 	does not match an end-of-line.
 
+	When the ']' is not there Vim will not give an error message but
+	assume no collection is used.  Useful to search for '['.
+
 	If the sequence begins with "^", it matches any single character NOT
 	in the collection: "[^xyz]" matches anything but 'x', 'y' and 'z'.
 	- If two characters in the sequence are separated by '-', this is