The Apostle of Allah ﷺ owed me a debt; he paid me back and made an addition (of this). I entered the mosque and he (the Holy Prophet) said to me: Observe two rak'ahs of prayer.
كَانَ لِي عَلَى النَّبِيِّ ﷺ دَيْنٌ فَقَضَانِي وَزَادَنِي وَدَخَلْتُ عَلَيْهِ الْمَسْجِدَ فَقَالَ لِي صَلِّ رَكْعَتَيْنِ