diff --git a/components/config/definition.rst b/components/config/definition.rst
index 321ce49cd96..f0291c5dfe0 100644
--- a/components/config/definition.rst
+++ b/components/config/definition.rst
@@ -320,8 +320,8 @@ In order to maintain the array keys use the ``useAttributeAsKey()`` method::
         ->fixXmlConfig('connection')
         ->children()
             ->arrayNode('connections')
+                ->useAttributeAsKey('name')
                 ->prototype('array')
-                    ->useAttributeAsKey('name')
                     ->children()
                         ->scalarNode('table')->end()
                         ->scalarNode('user')->end()