(108) باب تَحْوِيلِ الاِسْمِ إِلَى اسْمٍ أَحْسَنَ مِنْهُ
Narrated Abu Huraira:
Zainab's original name was "Barrah," but it was said' "By that she is giving herself the prestige of piety." So the Prophet (ﷺ) changed her name to Zainab.
Reference: Sahih al-Bukhari 6192
In-book reference: Book 78, Hadith 216
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 73, Hadith 212