Sahih Muslim
Sahih Muslim 1007 b
The word charity (Sadaqah) may apply to all good deeds Ma'ruf
Arabic hadith text
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 " .
Translation
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].