diff --git a/README.rst b/README.rst
index f7fcf2d..2fa486c 100644
--- a/README.rst
+++ b/README.rst
@@ -137,6 +137,29 @@
           fluentd:
             enabled: true
 
+Enable x509 and ssl communication between Manila and Galera cluster.
+---------------------
+By default communication between Manila and Galera is unsecure.
+
+manila:
+  common:
+    database:
+      x509:
+        enabled: True
+
+You able to set custom certificates in pillar:
+
+manila:
+  common:
+    database:
+      x509:
+        cacert: (certificate content)
+        cert: (certificate content)
+        key: (certificate content)
+
+You can read more about it here:
+    https://docs.openstack.org/security-guide/databases/database-access-control.html
+
 More information
 ================