Sahih Muslim
The Book of Mosques and Places of Prayer
Hadith #372
5.372
وَحَدَّثَنَاهُ أَبُو سَعِيدٍ الأَشَجُّ، حَدَّثَنَا حَفْصٌ، - يَعْنِي ابْنَ غِيَاثٍ - حَدَّثَنَا خَالِدٌ الْحَذَّاءُ، بِهَذَا الإِسْنَادِ وَزَادَ قَالَ الْحَذَّاءُ وَكَانَا مُتَقَارِبَيْنِ فِي الْقِرَاءَةِ .
This hadith has been narrated with the same chain of transmitters, but al-Hadra' made this addition:" They both were equal in recitation