Merge branch '7.1' into 7.2

* 7.1:
  Fix typo filename

Author: javiereguiluz

service_container.rst

@@ -1455,7 +1455,7 @@ Let's say you have the following functional interface::
 You also have a service that defines many methods and one of them is the same
 ``format()`` method of the previous interface::
 
-    // src/Service/MessageFormatterInterface.php
+    // src/Service/MessageUtils.php
     namespace App\Service;
 
     class MessageUtils