Cancel order placed this morning for JML nail file and do not want Prime

SOURCE: I placed an order this morning, what do I need to

Cancel Items from an Order You can cancel or amend any order placed with Amazon.co.uk, provided that the order has not yet entered the dispatch process.
Visit the "View Recent and Open Orders" button in Your Account. If we can recognise you as a customer with any unshipped orders, you will see a box to the right. Click the relevant link in that box to visit the order summary page. (If you do not see that box, click here to sign in to "Your Account", and select the order you wish to alter). >
You should then Click the "Cancel items or orders" link and sign in with your e-mail address and password. If the order you want to cancel is listed as "Items Not Yet Dispatched", you can cancel it straight away. If it's listed as "Items Dispatching Soon" or "Items Dispatched", you will need to wait until the order is delivered to you before you can cancel the order. Please read the Your Statutory Rights help page to find out more.
If it's listed as "Items Not Yet Dispatched", click the "View or Change Order" button next to the order you want to cancel. On the next page, click the "Need to Cancel an Item?" button. Select the tick box to the right of the order and click the "Cancel Selected Items" (or "Update Order") button. You will also be required to select a reason for cancelling the item from the drop-down menu that appears. You'll receive an e-mail confirmation from us shortly afterwards.