diff --git a/doc/source/configuration/configuring.rst b/doc/source/configuration/configuring.rst
index ccc44c69e..658eca336 100644
--- a/doc/source/configuration/configuring.rst
+++ b/doc/source/configuration/configuring.rst
@@ -349,7 +349,7 @@ so that the watcher service is configured for your needs.
     [nova_client]
 
     # Version of Nova API to use in novaclient. (string value)
-    #api_version = 2
+    #api_version = 2.53
     api_version = 2.1
 
 #. Create the Watcher Service database tables::