Mishkat al-Masabih 10 The Rites of Pilgrimage كتاب المناسك 140

وَعَن يحيى بن الْحصين عَن جدته أَنَّهَا سَمِعَتِ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي حَجَّةِ الْوَدَاعِ دَعَا لِلْمُحَلِّقِينَ ثَلَاثًا وَلِلْمُقَصِّرِينَ مرّة وَاحِدَة. رَوَاهُ مُسلم

Yahya b. al-Husain quoted his grandmother as saying she heard the Prophet at the Farewell Pilgrimage make supplication three.times for those who had their heads shaved and once for those who clipped their hair. Muslim trahsmitted it.