symfony
diff --git a/‎components/dependency_injection.rst
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+4-4Lines changed: 4 additions & 4 deletions b/‎components/dependency_injection.rst
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+4-4Lines changed: 4 additions & 4 deletions
diff --git a/‎components/index.rst
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+1Lines changed: 1 addition & 0 deletions b/‎components/index.rst
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diff --git a/‎components/map.rst.inc
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@@ -92,7 +92,7 @@ it a parameter in the container and then referring to this parameter for the
     $sc = new ContainerBuilder();
     $sc->setParameter('mailer.transport', 'sendmail');
     $sc->register('mailer', 'Mailer')
-        ->addArgument('%sendmail%'));
+        ->addArgument('%mailer.transport%'));
 
 Now that the ``mailer`` service is in the container you can inject it as
 a dependency of other classes. If you have a ``NewsletterManager`` class
@@ -125,7 +125,7 @@ Then you can register this as a service as well and pass the ``mailer`` service
 
     $sc->setParameter('mailer.transport', 'sendmail');
     $sc->register('mailer', 'Mailer')
-        ->addArgument('%sendmail%'));
+        ->addArgument('%mailer.transport%'));
 
     $sc->register('newsletter_manager', 'NewsletterManager')
         ->addArgument(new Reference('mailer'));
@@ -161,7 +161,7 @@ If you do want to though then the container can call the setter method:
 
     $sc->setParameter('mailer.transport', 'sendmail');
     $sc->register('mailer', 'Mailer')
-        ->addArgument('%sendmail%'));
+        ->addArgument('%mailer.transport%'));
 
     $sc->register('newsletter_manager', 'NewsletterManager')
         ->addMethodCall('setMailer', new Reference('mailer'));
@@ -274,7 +274,7 @@ The ``newsletter_manager`` and `` mailer`` services can be set up using config f
         // ...
         $sc->setParameter('mailer.transport', 'sendmail');
         $sc->register('mailer', 'Mailer')
-           ->addArgument('%sendmail%'));
+           ->addArgument('%mailer.transport%'));
 
         $sc->register('newsletter_manager', 'NewsletterManager')
            ->addMethodCall('setMailer', new Reference('mailer'));
 
@@ -8,6 +8,7 @@ The Components
     console
     css_selector
     dom_crawler
+    dependency_injection
     finder
     http_foundation
     locale
 
@@ -1,6 +1,7 @@
 * :doc:`/components/class_loader`
 * :doc:`/components/console`
 * :doc:`/components/css_selector`
+* :doc:`/components/dependency_injection`
 * :doc:`/components/dom_crawler`
 * :doc:`/components/finder`
 * :doc:`/components/http_foundation`