Sahih Al Bukhari Hadith Number 763

Narrated Ibn `Abbas: (My mother) Umu-l-Fadl heard me reciting “Wal Mursalati `Urfan” (77) and said, “O my son! By Allah, your recitation made me remember that it was the last Sura I heard from Allah’s Messenger (peace be upon him). He recited it in the Maghrib prayer. “

10  Call to Prayers (Adhaan)
Hadith number 763
Volume no 1
Chapter: 98 (The recitation of the Qur’an in the Magrib prayer)