This hadith has been transmitted on the authority of Ibn 'Umar and the words are:That he said there would be before you a Cistern extending from jarba' and Adhruh and the same has been transmitted on the authority of Ibn Muthanna and the wording is:" My Cistern."
حَدَّثَنَا زُهَيْرُ بْنُ حَرْبٍ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، وَعُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالُوا حَدَّثَنَا يَحْيَى، - وَهُوَ الْقَطَّانُ - عَنْ عُبَيْدِ اللَّهِ، أَخْبَرَنِي نَافِعٌ، عَنِ ابْنِ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِنَّ أَمَامَكُمْ حَوْضًا كَمَا بَيْنَ جَرْبَا وَأَذْرُحَ " . وَفِي رِوَايَةِ ابْنِ الْمُثَنَّى " حَوْضِي " .
Muslim
The Book of Virtues • Hadith 46