I would appreciate it very much if you would correct me.

Google translate says "欢迎纠正我的错误" means "Welcome to correct my mistakes" If that's the case you just need a subject and a verb. "You are welcome to correct my mistakes."

Hello, 欢迎 huanying Welcome 纠正 jiuzheng to correct 我的 wode my 错误 cuowu mistakes error