The Messenger of Allah ﷺ mentioned the month of Ramadan and gave it preference over other months, saying, "Whoever stands in prayer during Ramadan out of faith and seeking reward will emerge from his sins as on the day his mother gave birth to him."Abu Abdul-Rahman said, "This is a mistake. The correct chain is Abu Salama from Abu Hurairah."
أخبرنا إسحق بن إبراهيم قال حدثنا الفضل بن دكين قال حدثنا نصر بن علي قال حدثني النضر بن شيبان أنه لقي أبا سلمة بن عبد الرحمن فقال له حدثني بأفضل شيء سمعته يذكر في شهر رمضان فقال أبو سلمة
عن رسول الله ﷺ أنه ذكر شهر رمضان ففضله على الشهور وقال من قام رمضان إيمانا واحتسابا خرج من ذنوبه كيوم ولدته أمه قال أبو عبد الرحمن هذا خطأ والصواب أبو سلمة عن أبي هريرة
Its chain is daif. Ibn Majah narrated it in the chapter on establishing prayers, section on what has been said regarding standing in prayer during the month of Ramadan, hadith 1328, from the hadith of Nasr bin Ali Jahdami, and it is also in al-Kubra, hadith 2518.Nadr bin Shayban is lenient in hadith (Taqrib), and Ibn Main said, his hadith is not