diff --git a/README.rst b/README.rst
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@@ -1,4 +1,7 @@
 This is a fork of Chuck Rhode's `PythonTidy <http://lacusveris.com/PythonTidy/>` script.
+
+However it is not ready for python3.
+
 The complete version history was imported from http://lacusveris.com/PythonTidy/.
 
 Please see http://pypi.python.org/pypi/PythonTidy/ for more information.