From Sahih Bukhari (Hadith 4988):
Zaid bin Thabit added, "A verse from Surat Ahzab was missed by me when we copied the Qur'an and I used to hear Allah's Messenger (ﷺ) reciting it. So we searched for it and found it with Khuza`ima bin Thabit Al-Ansari. (That Verse was):'Among the Believers are men who have been true in their covenant with Allah
Reference: Bukhari 4988