Desktop: Navigate to the My Pets heading. Then go to the picture of the relevant pet(s) whose information you would like to update. Click on Options icon below the picture.
A small pop up will appear. Select the Edit Pet Details option.
A new window will appear where you can edit any pet information you wish. Once completed, be sure to scroll all the way down and hit the purple Update button to save all changed info.
Mobile: Same as Desktop Instructions.