diff --git a/doc/en/release_notes/centreon-2.7/centreon-2.7.13.rst b/doc/en/release_notes/centreon-2.7/centreon-2.7.13.rst
index 85ec4f8c02df22c2c82ee1200d01415c70a1db60..174cf23cd90d53692e7dd481766d6d6d5fb97f28 100644
--- a/doc/en/release_notes/centreon-2.7/centreon-2.7.13.rst
+++ b/doc/en/release_notes/centreon-2.7/centreon-2.7.13.rst
@@ -5,10 +5,20 @@ Centreon 2.7.13
 The 2.7.13 release for Centreon Web is now available for `download <https://download.centreon.com>`_.
 The full release notes for 2.7.13 follow.
 
+* CSV Export of chart is wrong if missing values in selected period #5756
+* Manage downtimes with dst - 2.7.x #5786
+
 ******
 Notice
 ******
 
+This version include a fix for the calculation of downtimes with daylight saving 
+time (DST). The downtime end will be calculate with the new hour.
+
+For example, if you put a downtime from 1 AM to 5 AM, the duration of the 
+downtime will be 5 hours if during the DST you get 1 hour more (3 AM come back 
+to 2 AM).
+
 If you are upgrading from a version prior to 2.7.0, make sure to go through all the release notes available
 `here <http://documentation.centreon.com/docs/centreon/en/latest/release_notes/index.html>`_.
 
diff --git a/doc/fr/release_notes/centreon-2.7/centreon-2.7.13.rst b/doc/fr/release_notes/centreon-2.7/centreon-2.7.13.rst
index 85ec4f8c02df22c2c82ee1200d01415c70a1db60..174cf23cd90d53692e7dd481766d6d6d5fb97f28 100644
--- a/doc/fr/release_notes/centreon-2.7/centreon-2.7.13.rst
+++ b/doc/fr/release_notes/centreon-2.7/centreon-2.7.13.rst
@@ -5,10 +5,20 @@ Centreon 2.7.13
 The 2.7.13 release for Centreon Web is now available for `download <https://download.centreon.com>`_.
 The full release notes for 2.7.13 follow.
 
+* CSV Export of chart is wrong if missing values in selected period #5756
+* Manage downtimes with dst - 2.7.x #5786
+
 ******
 Notice
 ******
 
+This version include a fix for the calculation of downtimes with daylight saving 
+time (DST). The downtime end will be calculate with the new hour.
+
+For example, if you put a downtime from 1 AM to 5 AM, the duration of the 
+downtime will be 5 hours if during the DST you get 1 hour more (3 AM come back 
+to 2 AM).
+
 If you are upgrading from a version prior to 2.7.0, make sure to go through all the release notes available
 `here <http://documentation.centreon.com/docs/centreon/en/latest/release_notes/index.html>`_.