You can change your delivery address in your customer account on Diggers Factory before the delivery process starts.
Change my shipping address:
Go to My Profile to change your account's address.
Or to My Orders to change the address to which your package will be sent.
Change my pick-up point:
Go to My Orders
Click on Address
Then, click on Change My Pick-up point
Please note that these changes can only be done before your order is in the Status In Preparation.