[REFACTOR] Implement X.509 auth for MySQL and Nova

Change-Id: I432de1a01cd212b9acab297e6472aaf23bcbf922
Related-PROD: PROD-19981
diff --git a/README.rst b/README.rst
index 2424232..1fa5f8c 100644
--- a/README.rst
+++ b/README.rst
@@ -1064,19 +1064,21 @@
 ---------------------
 By default communication between Nova and Galera is unsecure.
 
+nova:
+  controller:
+    database:
+      x509:
+        enabled: True
+
 You able to set custom certificates in pillar:
-controller:
-  database:
-    x509:
-      enabled: True
 
 nova:
   controller:
     database:
       x509:
-        cacert (certificate content)
-        cert (certificate content)
-        key (certificate content)
+        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