Sure you can change it... here is what it says...
We've Received your Order - We will begin processing your order soon. You can edit your order details once the order enters the Processing Items status.
Processing Items - We're processing your order right now. You can edit your order details through online Order Status, or by contacting Apple Online Store Customer Service.
Preparing for Shipment - We are preparing your item(s) to ship. While your item is being prepared, we are unable to edit your order details. We will email you a Shipment Notification with complete order details once your item leaves our warehouse.
Shipped - Your item has shipped. Your carrier tracking number will be updated in online Order Status and the carrier's website within 24 hours.
I would just like to know why it takes them a full week to process 1 item... been waiting since last Sunday for an order update still stuck on processing... supposed to be here between 25th - 1st November bet it arrives on the 1st!