It was narrated from Habib bin Maslamah that the Prophet ﷺ awarded one third (of the spoils of war) after the one fifth (had been taken). (Using translation from Ibn Mājah 2851)  

أَنَّ النَّبِيَّ ﷺ نَفَّلَ الثُّلُثَ بَعْدَ الْخُمُسِ