Hadith 2:201
And in the narration of Ahmad:
'The Prophet (ﷺ) taught him at-Tashahhud and ordered him to teach it to the people.'
وَلِأَحْمَدَ : { أَنَّ اَلنَّبِيَّ - صلى الله عليه وسلم -عَلَّمَهُ اَلتَّشَهُّد , وَأَمَرَهُ أَنْ يُعَلِّمَهُ اَلنَّاسَ }