Nafi' reported that when 'Abdullah (b. 'Umar) observed the Friday prayer and came back he observed two rak'ahs in his house, and then said:The Messenger of Allah (may peace be updn him) used to do this
أَنَّهُ وَصَفَ تَطَوُّعَ صَلاَةِ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ فَكَانَ لاَ يُصَلِّي بَعْدَ الْجُمُعَةِ حَتَّى يَنْصَرِفَ فَيُصَلِّي رَكْعَتَيْنِ فِي بَيْتِهِ. قَالَ يَحْيَى أَظُنُّنِي قَرَأْتُ فَيُصَلِّي أَوْ أَلْبَتَّةَ.
Abdullah b. 'Umar, while describing the Nafl prayer of the Messenger of Allah (ﷺ), said:He did not observe (Nafl) prayer after Jumu'a till he went back and observed two rak'ahs in his house. Yahya said: I guess that I uttered these words (before Imam Malik) that he of course observed (them)