حَدَّثَنَا هَارُونُ بْنُ مَعْرُوفٍ، حَدَّثَنَا ابْنُ وَهْبٍ، عَنْ جَرِيرِ بْنِ حَازِمٍ، أَنَّهُ سَمِعَ قَتَادَةَ بْنَ دِعَامَةَ، حَدَّثَنَا أَنَسُ بْنُ مَالِكٍ، أَنَّ رَجُلاً، جَاءَ إِلَى النَّبِيِّ صلى الله عليه وسلم وَقَدْ تَوَضَّأَ وَتَرَكَ عَلَى قَدَمَيْهِ مِثْلَ مَوْضِعِ الظُّفْرِ فَقَالَ لَهُ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ارْجِعْ فَأَحْسِنْ وُضُوءَكَ ‏"‏ ‏.‏ قَالَ أَبُو دَاوُدَ وَهَذَا الْحَدِيثُ لَيْسَ بِمَعْرُوفٍ عَنْ جَرِيرِ بْنِ حَازِمٍ وَلَمْ يَرْوِهِ إِلاَّ ابْنُ وَهْبٍ وَحْدَهُ وَقَدْ رُوِيَ عَنْ مَعْقِلِ بْنِ عُبَيْدِ اللَّهِ الْجَزَرِيِّ عَنْ أَبِي الزُّبَيْرِ عَنْ جَابِرٍ عَنْ عُمَرَ عَنِ النَّبِيِّ صلى الله عليه وسلم نَحْوَهُ قَالَ ‏"‏ ارْجِعْ فَأَحْسِنْ وُضُوءَكَ ‏"‏ ‏.‏
Translation
Anas reported

Harun ibn Ma'ruf narrated to us: Ibn Wahb narrated to us, from Jarir ibn Hazim, that he heard Qatadah ibn Di'amah: Anas ibn Malik narrated to us that a man came to the Prophet, peace and blessings be upon him, having performed ablution, but left an area the size of a fingernail unwashed on his feet. The Messenger of Allah, peace and blessings be upon him, said to him:

"Go back and perform your ablution well."

Abu Dawud said: This hadith is not known from Jarir ibn Hazim, and none narrated it except Ibn Wahb alone. It has also been narrated from Ma'qil ibn Ubayd Allah al-Jazari, from Abu al-Zubayr, from Jabir, from 'Umar, from the Prophet, peace and blessings be upon him, something similar, and he said:

"Go back and perform your ablution well."