Bismillaah il-Rahmaan il-Raheem.
In the Name of Allaah, Most Gracious, Most Merciful
Praise be to Allaah, Lord of the Worlds, Master of the Day of Judgement, God of the first and the last, Sustainer of heaven and earth, and peace and blessings be upon His trustworthy Prophet, the Teacher of mankind, sent as a Mercy to the worlds.
Teaching people is one of the greatest good deeds whose benefits spread to others. It is the da‘iahs and educators’ share of the heritage of the Prophets and Messengers.
“Allaah and the angels, and even the ant in its nest and the whale in the sea will pray for the one who teaches people the ways of good.” (Reported by al Tirmidhi; Sunan al-Tirmidhi, Ahmad Shaakir edn.,no. 2685. Abu ‘Eesa said, this is a saheeh ghareeb hasan hadeeth).
There are different types and ways of teaching, with different means and methods, one of which is correcting mistakes. Correcting mistakes is a part of education; they are like inseparable twins.