--- a/docs/instability.rst	Sat Aug 25 14:43:18 2012 +0200
+++ b/docs/instability.rst	Sat Aug 25 14:43:34 2012 +0200
@@ -1,3 +1,5 @@
+.. Copyright 2011 Pierre-Yves David <pierre-yves.david@ens-lyon.org>
+..                Logilab SA        <contact@logilab.fr>
 
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 The instability Principle