给出一篇英语短文的主题并修改它的语法错误。


主题：The advantage and disadvantage of online education
文本：Online education has it's advantages and disadvantage. It's very convenient, but requires a lot of dicipline.
主题：The Advantages and Disadvantages of Online Education

文本：Online education has its advantages and disadvantages. It is very convenient, but it requires a lot of discipline.