Narrated Zaid bin Arqam:
"During the time of the Messenger of Allah (ﷺ), we would talk during Salat, so 'And stand before Allah with obedience (2:238) was revealed, ordering us to be silent." (ID)
English reference (ID): Vol. 5, Book 44, Hadith 2986 (ID)
Arabic reference (ID): Book 47, Hadith 3253 (ID)