It wasnarrated that 'Abdullah said:
"(Once) the Prophet (ﷺ) prayedZuhr with five Rak'ah, and it was said to him: 'Has somethingbeenadded to the prayer?' He said: 'What is that?' They toldhim, and heturned back towards the Qiblah and performed twoprostrations." (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1205 (RU)
Arabic reference (RU): Book 5, Hadith 1262 (RU)