Translation
(43) Loans, Payment of Loans, Freezing of Property, Bankruptcy
كتاب فى الاستقراض
(7) Chapter: Repaying debts handsomely
(7) باب حُسْنِ الْقَضَاءِ
Sahih al-Bukhari 2394 

Narrated Jabir bin `Abdullah:

I went to the Prophet (ﷺ) while he was in the Mosque. (Mas`ar thinks, that Jabir went in the forenoon.) After the Prophet (ﷺ) told me to pray two rak`at, he repaid me the debt he owed me and gave me an extra amount.

حَدَّثَنَا خَلاَّدٌ، حَدَّثَنَا مِسْعَرٌ، حَدَّثَنَا مُحَارِبُ بْنُ دِثَارٍ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ ـ رضى الله عنهما ـ قَالَ أَتَيْتُ النَّبِيَّ صلى الله عليه وسلم وَهْوَ فِي الْمَسْجِدِ ـ قَالَ مِسْعَرٌ أُرَاهُ قَالَ ضُحًى ـ فَقَالَ ‏ "‏ صَلِّ رَكْعَتَيْنِ ‏"‏‏.‏ وَكَانَ لِي عَلَيْهِ دَيْنٌ فَقَضَانِي وَزَادَنِي‏.‏
Reference : Sahih al-Bukhari 2394
In-book reference : Book 43, Hadith 10
USC-MSA web (English) reference : Vol. 3, Book 41, Hadith 579
  (deprecated numbering scheme)