Burying the Dead - Section 3 Mishkat al-Masabih 1719
Arabic hadith text
وَعَنْ أَبِي رَافِعٍ قَالَ: سَلَّ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ سَعْدًا وَرَشَّ عَلَى قَبره مَاء. رَوَاهُ ابْن مَاجَه
Translation
Abu Rafi‘ said that God's messenger lowered Sa‘d and sprinkled water over his grave.Ibn Majah transmitted it.