Ibn 'Umar (RAA) narrated, ‘On the Day of Khaibar, the Messenger of Allah (ﷺ) allotted two shares for a horse, and one share (from the war booty) for the fighter. Agreed upon and the wording is from Al-Bukhari.

وَعَنْهُ قَالَ: { قَسَمَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏- [1]‏ يَوْمَ خَيْبَرَ لِلْفَرَسِ سَهْمَيْنِ, وَلِلرَّاجِلِ سَهْمًا } مُتَّفَقٌ عَلَيْهِ.‏ وَاللَّفْظُ لِلْبُخَارِيِّ [2]‏ .‏