diff --git a/README.md b/README.md
index 006453bcf23fc3bbad6c78e92bba1ea559934d75..31d41e73aed5f3b51226061f3e3120507e2d18c4 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ Acutally, this project does (you have to choose if you want 1 single node HDFS o
 * Deploy a cluster HDFS on :
 	* [Your own computer using as many virtual machine you want using Vagrant & ansible](#deploy-cluster-hdfs-with-multiple-vms)
 	* [multiple servers using ansible](#deploy-cluster-hdfs-on-servers)
+
+You can add, on top of your HDFS, un metadata system management with a search engine  : 
 * Deploy a geonetwork as metadata system management
 	* [Your own computer using a virtual machine with Vagrant & ansible provision](#geonetwork-with-vagrant-and-ansible)
 	* [deploy on a server](#geonetwork-on-erver)
diff --git a/playbook/roles/tomcat/vars/main.yml b/playbook/roles/tomcat/vars/main.yml
index 3e254ae1028268e2fdac9e0794d4e36ceb8e909b..2892130edfe6687a2d4822c506aaca1ba5e81a27 100644
--- a/playbook/roles/tomcat/vars/main.yml
+++ b/playbook/roles/tomcat/vars/main.yml
@@ -1 +1 @@
-donwloadTomcatUrl: http://apache.mirrors.ovh.net/ftp.apache.org/dist/tomcat/tomcat-8/v8.5.50/bin/apache-tomcat-8.5.50.tar.gz
\ No newline at end of file
+donwloadTomcatUrl: http://apache.mirrors.ovh.net/ftp.apache.org/dist/tomcat/tomcat-8/v8.5.51/bin/apache-tomcat-8.5.51.tar.gz
\ No newline at end of file