From the SELLING ITEMS screen, click the round blue button to the right of the item. This will bring you to the item detail screen. Make any changes you want, the click the blue button to save the changes. If you accidentally get into the item detail screen and you don’t want to change anything, click the white button. This will exit the item detail screen without making any changes. You can also select and item by clicking on it. When select it will be highlighted in grey. Then click the blue button at the top of the screen. This will also bring you into the item detail screen.