Make the documentation fit to the current state of the example. Task-number: QTBUG-38121 Change-Id: I3379e3328d07ef8bcdb35a5e3821ab194c3443c4 Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com> Reviewed-by: Sami Makkonen <sami.makkonen@digia.com> Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>