Yes, you can include gift wrapping instructions in two ways.

If the retailer offers gift wrapping during checkout, you can select that option directly on their website when completing your purchase.

Alternatively, you can add instructions in your registry by using the “Note to your guests” section. To do this, log in to your account, go to My Gifts, hover over the item you’d like to update, and click the pencil icon to edit it. Right below the item image, you’ll see the “Note to your guests” field where you can enter your instructions