Hadithcore
Sahih Muslim, 1445 b
sahih

'A'isha (Allah be pleased with her) reported:

There came to me Aflah b. Abu Qulais, my uncle by reason of fosterage; the rest of the hadith is the same (but with this) addition:" I ('A'isha) said (to the Prophet): It was the woman who suckled me and not the man, whereupon he (Allah's Messenger (ﷺ) ) said: May your hands or your right hand be besmeared with dust (you were mistaken)."

وَحَدَّثَنَاهُ أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنِ الزُّهْرِيِّ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، قَالَتْ أَتَانِي عَمِّي مِنَ الرَّضَاعَةِ أَفْلَحُ بْنُ أَبِي قُعَيْسٍ ‏.‏ فَذَكَرَ بِمَعْنَى حَدِيثِ مَالِكٍ وَزَادَ قُلْتُ إِنَّمَا أَرْضَعَتْنِي الْمَرْأَةُ وَلَمْ يُرْضِعْنِي الرَّجُلُ قَالَ ‏

‏ تَرِبَتْ يَدَاكِ أَوْ يَمِينُكِ‏

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References2 variants
In-Book Reference
Book 17, Hadith 5
USC-MSA web (English) reference
Book 8, Hadith 3398 (deprecated numbering scheme)