updated for version 7.0131
diff --git a/runtime/spell/yi/README.txt b/runtime/spell/yi/README.txt
index db43293..09af739 100644
--- a/runtime/spell/yi/README.txt
+++ b/runtime/spell/yi/README.txt
@@ -3,4 +3,7 @@
 The word list was provided by Raphael Finkel.  It is the same one that is used
 by uspell.
 
+There also is a romanized (transliterated) word list.  This is used for
+latin1.  To use this list when 'encoding' is utf-8 use ":set spelllang=yi-tr".
+
 Copyright Raphael Finkel.  Included with permission in Vim.