Typo fix (I believe)

ebuildy · javiereguiluz · commit df2f3e467e51 · 2018-03-28T15:16:55.000+02:00
diff --git a/service_container/service_decoration.rst b/service_container/service_decoration.rst
@@ -63,7 +63,7 @@ that you can reference it:
 
             AppBundle\DecoratingMailer:
                 # overrides the AppBundle\Mailer service
-                # but that service is still available as AppBundle\Mailer.inner
+                # but that service is still available as AppBundle\DecoratingMailer.inner
                 decorates: AppBundle\Mailer
 
                 # pass the old service as an argument
