Hello @sarahw ,
I think this guide is a spam :
https://fr.ifixit.com/Tutoriel/Amazon+Alexa+Setup/133029?revisionid=HEAD#s263191
And the associated use too is a spammer :
https://fr.ifixit.com/User/3075340/amazon+alexa
Because he promote a product instead of providing a repair or a helper guide.