Arabic
بِسْمِ اللَّهِ وَالسَّلاَمُ عَلَى رَسُولِ اللَّهِ اللَّهُمَّ اغْفِرْ لِي ذُنُوبِي وَافْتَحْ لِي أَبْوَابَ رَحْمَتِكَ
Meaning
In the name of Allah, and peace be upon the Messenger of Allah. O Allah, forgive me my sins and open for me the gates of Your mercy.
Source
HadithIbn Majah 771; Muslim 713