On the amfori sustainability platform, you can modify your site details yourself.

You can do so by clicking on Admin and then My Sites on the panel on the left of your screen:



You'll get to a page named "My Sites" where you'll find a list of all your producer sites. You click on the site you want to modify and you'll see a white rectangle on the right where it says Edit Site Details:



You can change the necessary details, just don't forget to click on Save Site Details, at the bottom right of your screen.