Surah Al Ahqaf Tafseer

أُوْلَيِكَ الَّذِينَ نَتَقَبَّلُ عَنْهُمْ أَحْسَنَ مَا عَمِلُوا

وَنَتَجاوَزُ عَن سَيِّيَاتِهِمْ فِي أَصْحَابِ الْجَنَّةِ

Those are the ones from whom We shall accept the best of what they did and overlook their evil deeds. (They shall be) among the dwellers of Paradise.

meaning, those to whom applies the above description -- those who repent to Allah, turn back to Him, and rectify their shortcomings through repentance and seeking forgiveness - those are the ones from whom We will accept the best of what they did and overlook their evil deeds. Many of their errors will be forgiven and Allah will accept from them a modest amount of deeds.

فِي أَصْحَابِ الْجَنَّة

(among the dwellers of Paradise),

which means that they will be among the dwellers of Paradise. That is Allah's ruling concerning them, as He has promised for those who repent and turn to Him.

Thus, He says,

وَعْدَ الصِّدْقِ الَّذِي كَانُوا يُوعَدُونَ

That is the promise of truth that they had been promised.