Sahih Muslim Book 4, Hadith Number 829.

Chapter : The reciting of Tasmi’ (Allah listens to him who praises Him) Tahmid (O our Lord, for Thee is the praise), and Timin (Amin).

Abu Huraira reported from the Apostle of Allah (may peace be upon him) (a Hadith) like it, except the words: “Nor of those who err, say Amin” and added: “And don’t rise up ahead of him.”