I have a two year old son. he's quite a handful. I'm trying not to yell so much, but sometimes I lose it. What should i do after i've yelled at my kid?

I sometimes also raise my voice at my twins. When everyone calm down I'll hug them and apologize. Then every time I feel that I am loosing it I'll try to bite my lips and take a deep breathe. I'll explain why I yell why I didn't like what they did etc. it's a tough phase. But we will get better at it together.