Zayd bin Thabit reported,

When the scrolls were copied into the codices, I missed a verse from Surah al-Ahzab that I used to hear the Messenger of Allah ﷺ reciting. I could not find it with anyone except Khuzayma bin Thabit al-Ansari, whose testimony the Messenger of Allah ﷺ had made equal to the testimony of two men. It was His statement, "Among the believers are men who have been true to what they pledged to Allah" [Ahzab 33:23].

Bukhari 2807

Sahih

حدثنا أبو اليمان أخبرنا شعيب عن الزهري ح و حدثنا إسماعيل قال حدثني أخي عن سليمان أراه عن محمد بن أبي عتيق عن ابن شهاب عن خارجة بن زيد أن

زيد بن ثابت رضي الله عنه قال

نسخت الصحف في المصاحف ففقدت آية من سورة الأحزاب كنت أسمع رسول الله ﷺ يقرأ بها فلم أجدها إلا مع خزيمة بن ثابت الأنصاري الذي جعل رسول الله ﷺ شهادته شهادة رجلين وهو قوله {من المؤمنين رجال صدقوا ما عاهدوا الله عليه}

البخاري 2807صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Jihad and expeditions
Chapter
Allah's saying, "Among the believers are men true to what they promised Allah. Among them is he who has fulfilled his vow, and among them is he who awaits, and they did not alter by any alteration"
Numbering
Darussalam 2807
Bukhari 2807