Hadith 17:521
Ibn al-Mubarak narrated to us, from Ma'mar, from Qatadah, that a Jew milked a she-camel for the Prophet, peace and blessings of Allah be upon him. He (the Prophet) said, "O Allah, beautify him," and his hair became black.
حدثنا بن مبارك عن معمر عن قتادة أن يهوديا حلب للنبي صلى الله عليه وسلم ناقة فقال اللهم جمله فاسود شعر