Narrated Abu Huraira: The Prophet prayed two rak`at of Zuhr prayer (instead of four) and he was told that he had prayed two rak`at only. Then he prayed two more rak`at and finished them with the Taslim followed by two prostrations.
Hadith ReferenceSahih Bukhari / The Book of Adhan / Hadith: 715
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة