[#10664] minor tweaks after merging into 4.2 (bis)

Author: ogizanagi

components/messenger.rst

@@ -193,7 +193,7 @@ transport will be responsible for communicating with your message broker or 3rd
 Your own Sender
 ~~~~~~~~~~~~~~~
 
-Using the :class:`Symfony\\Component\\Messenger\\Transport\\SenderInterface`,
+Using the :class:`Symfony\\Component\\Messenger\\Transport\\Sender\\SenderInterface`,
 you can create your own message sender.
 Imagine that you already have an ``ImportantAction`` message going through the
 message bus and being handled by a handler. Now, you also want to send this

messenger.rst

@@ -703,7 +703,7 @@ This middleware can be configured to define the entity manager to use:
                 <framework:messenger>
                     <framework:bus name="command_bus">
                         <!-- Using the default configured entity manager name -->
-                        <framework:middleware id="doctrine_transaction_middleware" />
+                        <framework:middleware id="doctrine_transaction" />
                         <!-- Using another entity manager -->
                         <framework:middleware id="doctrine_transaction">
                             <framework:argument>custom</framework:argument>