[#12393] Rewrote the sentence a bit

Author: wouterj

reference/configuration/doctrine.rst

@@ -155,11 +155,13 @@ which is the first one defined or the one configured via the
 ``default_connection`` parameter.
 
 Each connection is also accessible via the ``doctrine.dbal.[name]_connection``
-service where ``[name]`` is the name of the connection. Or directly in the controller with 
-getConnection method and the name of the connection::
+service where ``[name]`` is the name of the connection. In a controller
+extending ``AbstractController``, you can access it directly using the
+``getConnection()`` method and the name of the connection::
 
     $connection = $this->getDoctrine()->getConnection('customer');
-    $result = $connection->fetchAll('select name from customer');
+
+    $result = $connection->fetchAll('SELECT name FROM customer');
 
 Doctrine ORM Configuration
 --------------------------