Shipment, Apple pencil

See the information in Viewing & Changing Orders - Shopping Help - Apple including the following:

Edit Your Order

Sign in to your Order Listing

(Opens in a new window)

 page and select an item to view your order details. You may be able to edit the item if the status reads Order Placed or Processing. If you placed an order as a guest, you’ll need to add it to your Apple ID to make changes online.

and

Edit Shipping Address

If your order is in Processing, you may be able to edit your shipping address in your order details. In the “Delivers to” section below your item, select Edit.