ENOfficial
Narrated ‘Ali (rad) regarding the description of the ablution of the Prophet (ﷺ): He (the Prophet) wiped his head (with water) only once. .
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَلِيٍّ - رضى الله عنه - -فِي صِفَةِ وُضُوءِ اَلنَّبِيِّ صَلَّى اَللَّهُ عَلَيْهِ وَسَلَّمَ- قَالَ: { وَمَسَحَ بِرَأْسِهِ وَاحِدَةً. } أَخْرَجَهُ أَبُو دَاوُد َ 1 .
sunnah.com