Fix class name

BlueM · wouterj · commit b0772c048c84 · 2015-12-12T12:00:09.000+01:00
diff --git a/components/dependency_injection/factories.rst b/components/dependency_injection/factories.rst
@@ -34,7 +34,7 @@ object::
 
 To make the ``NewsletterManager`` object available as a service, you can
 configure the service container to use the
-``NewsletterFactory::createNewsletterManager()`` factory method:
+``NewsletterManagerFactory::createNewsletterManager()`` factory method:
 
 .. configuration-block::
 
