alexa ifttt ac5300

Hello, According to this: https://www.asus.com/us/support/FAQ/1033394 IFTTT is supported by AC5300 which I have.. But when I go to h//ifttt.com/asusrouter and try to get the code it goes to http://router.asus.com/Advanced_Smart_Control_Alexa.asp and says 404 Not Found Is this not supported...