Developer.facebook.com asks for Data Deletion Url

When trying to switch from developer to live mode, developer.facebook.com gave me this warning:
Before switching to live mode, you must provide both a valid Privacy Policy URL and data deletion information. Update this information in Basic Settings on App Dashboard
I have provided my Privacy policy url, but I dont know what tu put here:

To be honest, I dont need this for live app, just for fb login on my test app, but when I try to login with Facebook, I got the error This app is still in development mode. Ok fb, I know...