diff --git a/doc/en/release_notes/centreon-2.5.2.rst b/doc/en/release_notes/centreon-2.5.2.rst
index b4bceb3a46a8af055205c1494f9a9cdbbd20c026..4e67df3ee4140053f106bdf37277cfc728a392a9 100644
--- a/doc/en/release_notes/centreon-2.5.2.rst
+++ b/doc/en/release_notes/centreon-2.5.2.rst
@@ -2,6 +2,12 @@
 Centreon 2.5.2
 ==============
 
+******
+Notice
+******
+If you are upgrading from a version prior to 2.5.1, make sure to go through all the release notes available
+`here <http://documentation.centreon.com/docs/centreon/en/latest/release_notes/index.html>`_.
+
 *********
 CHANGELOG
 *********