minor #16277 Correct spelling & grammar in 4.4 messenger/ (gnito-org)

This PR was merged into the 4.4 branch.

Discussion
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Correct spelling & grammar in 4.4 messenger/

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Commits
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5dd413e Correct spelling & grammar in 4.4 messenger/

Author: javiereguiluz

messenger/dispatch_after_current_bus.rst

@@ -126,7 +126,7 @@ will not be rolled back.
     If ``WhenUserRegisteredThenSendWelcomeEmail`` throws an exception, that
     exception will be wrapped into a ``DelayedMessageHandlingException``. Using
     ``DelayedMessageHandlingException::getExceptions`` will give you all
-    exceptions that are thrown while handing a message with the
+    exceptions that are thrown while handling a message with the
     ``DispatchAfterCurrentBusStamp``.
 
 The ``dispatch_after_current_bus`` middleware is enabled by default. If you're

messenger/multiple_buses.rst

@@ -235,7 +235,7 @@ Debugging the Buses
 -------------------
 
 The ``debug:messenger`` command lists available messages & handlers per bus.
-You can also restrict the list to a specific bus by providing its name as argument.
+You can also restrict the list to a specific bus by providing its name as an argument.
 
 .. code-block:: terminal