How to remove the scorch on the pot

Have read an article on removing the scorch on the pot.

1. 倒入約半碗的白醋(也可以用茶葉)。加水煮沸約三四分鐘>
1. Pour half bowl of white vinegar into the pour. Add water and boil for 3 to 4 minutes
2. 沸後靜置五分鐘，不急的話，也可以放更久。>
2. Let it cool for 5 mins after the boil
3. 神奇的事情發生了，焦掉的部分一整片從鍋子上輕鬆脫落.
3. Miracle happen. The burn mark easily removed from the pot.
4. 用清水沖一沖，再稍微刷一下就清潔溜溜了！
4. Use water to wash and rinse it. The pot will be as new.