Fix another mess in Mini Tutorial.

en/reference/introduction.rst

@@ -364,16 +364,14 @@ database.
 5) Replace the contents of index.php with the following:
 
    
-.. raw:: html
+.. code-block:: php
 
     <?php
     //... bootstrap stuff
 
     ## PUT YOUR TEST CODE BELOW
 
-      $q = $em->
-      
-   createQuery('select u from Entities u where u.name = ?1');
+    $q = $em->createQuery('select u from Entities u where u.name = ?1');
     $q->setParameter(1, 'Garfield'); $garfield =
     $q->getSingleResult();