diff --git a/doc/conf.py b/doc/conf.py
index 5a312e6..cd4cc42 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -48,7 +48,7 @@
 
 # General information about the project.
 project = u'Centreon Engine'
-copyright = u'2013-2017 Centreon'
+copyright = u'2013-2018 Centreon'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
diff --git a/doc/installation/index.rst b/doc/installation/index.rst
index 8aa70d6..384153f 100644
--- a/doc/installation/index.rst
+++ b/doc/installation/index.rst
@@ -4,8 +4,8 @@
 Installation
 ############
 
-Centreon recommends using its official packages from the Centreon
-Entreprise Server (CES) repository. Most of Centreon' endorsed
+Centreon recommends using its official packages from the Centreon Open Sources
+version available free of charge on our repository (ex CES). Most of Centreon endorsed
 software are available as RPM packages.
 
 Alternatively, you can build and install your own version of this
@@ -15,17 +15,18 @@
 Using packages
 **************
 
-Centreon provides RPM for its products through Centreon Entreprise
-Server (CES). Open source products are freely available from our
-repository. These packages are available for CentOS 6 x86_64, which
-is the sole platform officially supported by Centreon
+Centreon provides RPM for its products through Centreon Open Sources (COS) version
+available free of charge on our repository.
+Open source products are freely available from our repository.
+These packages are available for CentOS 6 or 7 architecture x86_64, which is
+the sole platform officially supported by Centreon
 
 .. _user_installation_packages_prerequisites:
 
 Prerequisites
 =============
 
-In order to use RPM from the CES repository, you have to install the
+In order to use RPM from the COS repository, you have to install the
 appropriate repository.
 
 CentOS 6
@@ -33,10 +34,22 @@
 
 Run the following commands as privileged user ::
 
-  $ wget http://yum.centreon.com/standard/3.0/stable/noarch/RPMS/ces-release-3.0-1.noarch.rpm
-  $ yum install --nogpgcheck ces-release-3.0-1.noarch.rpm
-  $ rm -f ces-release-3.0-1.noarch.rpm
+  $ wget http://yum.centreon.com/standard/3.4/el6/stable/noarch/RPMS/centreon-release-3.4-4.el6.noarch.rpm
+  $ yum install --nogpgcheck -y centreon-release-3.4-4.el6.noarch.rpm
+  $ rm -f centreon-release-3.4-4.el6.noarch.rpm
   $ yum clean all
+
+
+CentOS 7
+--------
+
+Run the following commands as privileged user ::
+
+  $ wget http://yum.centreon.com/standard/3.4/el7/stable/noarch/RPMS/centreon-release-3.4-4.el7.centos.noarch.rpm
+  $ yum install --nogpgcheck -y centreon-release-3.4-4.el7.centos.noarch.rpm
+  $ rm -f centreon-release-3.4-4.el7.centos.noarch.rpm
+  $ yum clean all
+
 
 Install
 =======
@@ -83,10 +96,8 @@
 CentOS
 ------
 
-In CentOS you need to add manually cmake. After that you can
-install binary packages. Either use the Package Manager or the
-yum tool to install them. You should check packages version when
-necessary.
+Either use the Package Manager or the yum tool to install them.
+You should check packages version when necessary.
 
 Package required to build:
 
@@ -101,17 +112,8 @@
 
 #. Install basic compilation tools ::
 
-   $ yum install gcc gcc-c++ make
-
-#. Install Centreon repository
-
-   You need to install Centreon Entreprise Server (CES) repos file as
-   explained :ref:`user_installation_packages_prerequisites` to use some
-   specific package version.
-
-#. Install cmake ::
-
-   $ yum install cmake
+   $ yum install gcc gcc-c++ make cmake
+
 
 #. Install Centreon Clib
 
@@ -188,7 +190,7 @@
   $ git clone https://github.com/centreon/centreon-engine
 
 Or You can get the latest Centreon Engine's sources from its
-`download website <http://www.centreon.com/Content-Download/download-centreon-engine-centreon>`_
+`download website <https://download.centreon.com/>`_
 Once downloaded, extract it ::
 
   $ tar xzf centreon-engine.tar.gz