At https://developer.wordpress.org/advanced-administration/multisite/admin/#sites, the URL https://wordpress.org/documentation/articles/network-admin-sites/screen is listed for the page "Network Admin Sites Screen". However, when you access it, you are redirected to https://wordpress.org/documentation/article/screencast-block/.