Full Sharh — Sahih Muslim 6850
حَدَّثَنَا سَعِيدُ بْنُ أَزْهَرَ الْوَاسِطِيُّ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، حَدَّثَنَا أَبُو مَالِكٍ الأَشْجَعِيُّ، عَنْ أَبِيهِ، قَالَ كَانَ الرَّجُلُ إِذَا أَسْلَمَ عَلَّمَهُ النَّبِيُّ صلى الله عليه وسلم الصَّلاَةَ ثُمَّ أَمَرَهُ أَنْ يَدْعُوَ بِهَؤُلاَءِ الْكَلِمَاتِ " اللَّهُمَّ اغْفِرْ لِي وَارْحَمْنِي وَاهْدِنِي وَعَافِنِي وَارْزُقْنِي " .
English Translation
Abu Malik reported on the authority of his father that when a person embraced Islam, Allah's Messenger (ﷺ) used to teach him how to observe prayer and then commanded him to supplicate in these words:" O Allah, grant me pardon, have mercy upon me, direct me to the path of righteousness, grant me protection and provide me sustenance
Source
Sahih Muslim(صحيح مسلم)
The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
Hadith Number
6850