In addition, updated a snippet file and added another
to complement the text.

Task-number: QTBUG-70333
Change-Id: I20e8e13390a00151d040f92d7a54c661e64c17e3
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>