Fixed heading levels

Author: javiereguiluz

messenger/handler_results.rst

@@ -2,7 +2,7 @@
     single: Messenger; Getting results / Working with command & query buses
 
 Getting Results from your Handler
----------------------------------
+=================================
 
 When a message is handled, the :class:`Symfony\\Component\\Messenger\\Middleware\\HandleMessageMiddleware`
 adds a :class:`Symfony\\Component\\Messenger\\Stamp\\HandledStamp` for each object that handled the message.
@@ -26,7 +26,7 @@ The :method:`Symfony\\Component\\Messenger\\HandleTrait::handle` method ensures
 there is exactly one handler registered and returns its result.
 
 Working with Command & Query Buses
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+----------------------------------
 
 The Messenger component can be used in CQRS architectures where command & query
 buses are central pieces of the application. Read Martin Fowler's