docs: fix by proofreading

Co-authored-by: MGatner <mgatner@icloud.com>

Author: kenjis

user_guide_src/source/changelogs/v4.2.2.rst

@@ -25,7 +25,7 @@ Changes
 
 - Fixed: ``BaseBuilder::increment()`` and ``BaseBuilder::decrement()`` do not reset the ``BaseBuilder`` state after a query.
 - Now ``CLIRequest::isCLI()`` always returns true.
-- Now ``IncommingRequest::isCLI()`` always return false.
+- Now ``IncommingRequest::isCLI()`` always returns false.
 
 Deprecations
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