fix release notes

doc/en/release_notes/centreon-2.6.0.rst

@@ -18,13 +18,13 @@ Compatibility with PHP 5.4.x
 
 Centreon is now compatible with PHP in version 5.4.x. So, you do not need to downgrade to PHP 5.3.x version when you install it on Debian 6.
 
-Centreon proprietary module (Centreon BAM, Centreon BI, Centreon MAP, Centreon KB) are for now not compatible with this PHP version.
+Centreon proprietary module (Centreon BAM, Centreon BI, Centreon MAP, Centreon KB) is not compatible as yet with this PHP version.
 
 
 New options for Centreontrapd
 =============================
 
-It's now possible with centreontrapd to :
+It's now possible with Centreontrapd to :
 
 - Filter services on same host ;
 - Transform output (to remove pipe for example) ;
@@ -44,15 +44,21 @@ The synchronisation is more efficient in configuration page between admin and no
 Partial rebuild of events information
 =====================================
 
-It's now possible to partially rebuild events information with eventsRebuild script. You can now use option '-s' when rebuild and the the rebuild will start from this date.
+It's now possible to partially rebuild events information with eventsRebuild script. You can now use option '-s' when rebuilding and the rebuild will start from this date.
 
-Before, you had to rebuild from the begiging.
+Before, you had to rebuild from the beginning of the related data. 
+
+
+Criticality inheritance
+=======================
+
+Centreon 2.6 introduces a capability for the dependent services of a host to automatically inherit its configured criticality.  It’s also possible to define the levels of global criticality of a particular host and dependent services cluster thanks to the use of templates.
 
 
 Integration of Centreon new logo
 ================================
 
-The centreon new logo has been integrated to this new version.
+The new Centreon logo has been integrated into this new version.
 
 
 *********
@@ -61,19 +67,20 @@ CHANGELOG
 
 Bug fixes
 =========
-- #5655: Changing Host Templates deosn't delete services 
+- #5655: Changing Host Templates doesn't delete services 
 - #5782: Warning daemon_dumps_core variable ignored
 - #5795: ACL and configuration modification with admin users
 - #5868: Generation of services groups isn't correct for poller
-- #6052: recurring downtime form month_cycle option is not properly set
-- #6119: Filter doesn't work on many page in Administration -> Log
+- #6052: Month_cycle option in recurring downtime is not properly set
+- #6119: Filter doesn't work on many pages in Administration -> Log
 - #6163: A template should not be able to inherit from itself
-- #6336: Problem with schedule downtime when using different timezone
+- #6336: Problem with schedule downtime when using different timezones
 
 Features
 ========
 
 - #3239: PHP-5.4 Compatibility
-- #5334, #6114, #6120 : Optimisation and customization on centreontrapd
-- #5952: Add possibility to rebuild partially Events informations
+- #5238: Criticality inheritance
+- #5334, #6114, #6120 : Optimisation and customization on Centreontrapd
+- #5952: Add possibility to rebuild partially Events information
 - #6160: New Centreon logo