diff --git a/runtime/doc/spell.txt b/runtime/doc/spell.txt
index 3533005..74aee81 100644
--- a/runtime/doc/spell.txt
+++ b/runtime/doc/spell.txt
@@ -1,4 +1,4 @@
-*spell.txt*	For Vim version 7.3.  Last change: 2010 Apr 11
+*spell.txt*	For Vim version 7.3.  Last change: 2010 Dec 08
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -335,6 +335,9 @@
 |spell-mkspell| about how to create a spell file.  Converting a spell file
 with "iconv" will NOT work!
 
+Note: on VMS ".{enc}.spl" is changed to "_{enc}.spl" to avoid trouble with
+filenames.
+
 						    *spell-sug-file* *E781*
 If there is a file with exactly the same name as the ".spl" file but ending in
 ".sug", that file will be used for giving better suggestions.  It isn't loaded