describe how to batch update nodetitles in the README

diff --git a/README.txt b/README.txt
index a4aa64d..eddc8e3 100755 (executable)
--- a/README.txt
+++ b/README.txt
@@ -56,3 +56,14 @@ Installation
  So if the text of the CCK textfield [field_testtext-raw] isn't empty it will be used as title.
  Otherwise the node type will be used.
 
+
+ 
+ 
+ Updating nodetitles from existing nodes
+ ---------------------------------------
+ If you set the nodetitle to be auto generated for some content type, existing nodes
+ are not affected. You can update existing nodes by going to 'admin/content/node',
+ then filter for your content type, mark some nodes and choose the "Update option" 
+ "Update automatic nodetitles". 
+ 
+ 
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