Fix typo in component and server

Author: alexander-schranz

messenger.rst

@@ -212,7 +212,7 @@ This is enough to allow you to route your message to the ``amqp`` transport.
 .. note::
 
     In order to use Symfony's built-in AMQP transport, you will need the AMQP
-    PHP extension and the Serializer Component. Ensure that they are installed with:
+    PHP extension and the Serializer component. Ensure that they are installed with:
 
     .. code-block:: terminal
 
@@ -241,7 +241,7 @@ to achieve this:
 .. note::
 
     In order to use Symfony's built-in Redis transport, you will need the Redis
-    PHP extension (^4.2), a running Redis Server (^5.0) and the Serializer Component.
+    PHP extension (^4.2), a running Redis server (^5.0) and the Serializer component.
 
 Routing
 -------