You sure can! To do this, give that top-right icon a click (or left-hand drop-down menu from a phone or tablet) and select the ëAddressesí tab. You can then select ëEdití to change your address. Just make sure you hit ëSaveí!
Please note that changing your address will not edit or affect current or past orders. If you want to edit your address for delivery, please make sure you do this BEFORE placing an order.