Merge branch '5.2' into 5.3

* 5.2:
  Update service_container.rst

Author: javiereguiluz

service_container.rst

@@ -640,7 +640,7 @@ But, you can control this and pass in a different logger:
             // ... same code as before
 
             // explicitly configure the service
-            $services->set(SiteUpdateManager::class)
+            $services->set(MessageGenerator::class)
                 ->arg('$logger', service('monolog.logger.request'))
             ;
         };