QANTAS double status credit promo - does changing flights void the promo?

Can someone help me?
I booked a DSC eligible flight and flew during the promotional period. My return flight was flexible and therefore I flew earlier in the day after changing my flight online. I then changed it again at the airport at the kiosk on check in to an even earlier flight, as suggested by the kiosk.
Is my flight - and my whole booking for that matter - still eligible for DSC? I’m not sure how to take the T&Cs. Surely I shouldn’t be penalised if it is a change to fly on the same date?

Fear not. As long as your travel was completed within the promo period, the double status credits will be applied.

Great, thank you for easing my concerns!