Helpful URLs are to be set within the configuration page of each product or service, group, or static information web page. This development web site is only practical for a few automated webpages, and usually you will not have to worry about these. So To put it briefly, I entered https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html