لِيَغفِرَ لَكَ اللَّهُ ما تَقَدَّمَ مِن ذَنبِكَ وَما تَأَخَّرَ وَيُتِمَّ نِعمَتَهُ عَلَيكَ وَيَهدِيَكَ صِراطًا مُستَقيمًا

So that God may forgive your past and future sins, complete His blessings upon you, and guide you along a straight path.