The Book of Zakat
12/16. Chapter:
The word charity (Sadaqah) may apply to all good deeds Ma'ruf
Sahih Muslim
وَحَدَّثَنَا عَبْدُ اللَّهِ بْنُ عَبْدِ الرَّحْمَنِ الدَّارِمِيُّ، أَخْبَرَنَا يَحْيَى بْنُ حَسَّانَ، حَدَّثَنِي مُعَاوِيَةُ، أَخْبَرَنِي أَخِي، زَيْدٌ بِهَذَا الإِسْنَادِ . مِثْلَهُ غَيْرَ أَنَّهُ قَالَ " أَوْ أَمَرَ بِمَعْرُوفٍ " . وَقَالَ " فَإِنَّهُ يُمْسِي يَوْمَئِذٍ " .
This hadith has been narrated on the authority of Zaid with the same chain of transmitters except with (a slight) change of words (i.e. he [the Holy Prophet]) said: Or he enjoined what is good, ... and said: He enters the evening [i.e. he walks till evening].
Reference : Sahih Muslim 1007bIn-book reference : Book 12, Hadith 68USC-MSA web (English) reference : Book 5, Hadith 2200