Fix DependencyInjection example (Introduction)

sirprize · sirprize · commit 13505d1973a3 · 2013-01-16T09:32:55.000+01:00
diff --git a/components/dependency_injection/introduction.rst b/components/dependency_injection/introduction.rst
@@ -147,7 +147,7 @@ If you do want to though then the container can call the setter method::
 
     $container
         ->register('newsletter_manager', 'NewsletterManager')
-        ->addMethodCall('setMailer', new Reference('mailer'));
+        ->addMethodCall('setMailer', array(new Reference('mailer')));
 
 You could then get your ``newsletter_manager`` service from the container
 like this::
