Whenever you visit the sick or the dead, supplicate for good because angels say" Amen" to whatever you say. She added: When Abu Salama died, I went to the Messenger of Allah ﷺ and said: Messenger of Allah, Abu Salama has died. He told me to recite:" O Allah! forgive me and him (Abu Salama) and give me a better substitute than he." So I said (this), and Allah gave me in exchange Muhammad, who is better for me than him (Abu Salama). (Using translation from Muslim 919)
قَالَ رَسُولُ اللهِ ﷺ إِذَا حَضَرْتُمُ الْمَيِّتَ أَوِ الْمَرِيضَ فَقُولُوا خَيْرًا فَإِنَّ الْمَلَائِكَةَ يُؤَمِّنُونَ عَلَى مَاتَقُولُونَ قَالَتْ فَلَمَّا مَاتَ أَبُو سَلَمَةَ أَتَيْتُ النَّبِيَّ ﷺ فَقُلْتُ يَا رَسُولَ اللهِ إِنَّ أَبَا سَلَمَةَ قَدْ مَاتَ فَقَالَ قُولِي اللهُمَّ اغْفِرْ لِي وَلَهُ وَأَعْقِبْنِي مِنْهُ عُقْبَى حَسَنَةً قَالَتْ فَقُلْتُ فَأَعْقَبَنِي اللهُ ﷻ مَنْ هُوَ خَيْرٌ لِي مِنْهُ مُحَمَّدًا ﷺ