It was narrated that Humran said:
Uthman was sitting in alMaqa`id. He called for water and did wudoo’, then he said: I saw the Messenger of Allah (ﷺ) doing wudoo` in this place where I am sitting then he said: “whoever does wudoo’ as I have done, then gets up and prays two rak`ahs, his previous sins will be forgiven.” And the Messenger of Allah (ﷺ) said: `Do not become complacent.`