This same hadith is also reported from Abu Hurayrah (may Allah be pleased with him) through another chain; at its end is that he (peace and blessings be upon him) said: "Then do likewise in every rak'ah and prostration."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 2473
Hadith Gradingمحدثین:صحيح
Hadith Takhrij«صحيح۔ اخرجه البخاري في القراء ة خلف الامام 74»