He's giving you an example on what it should be and how you tend to put on what Steve thinks. For what you did, you sort of didn't to be honest. He made it simple enough for you to understand. And it's ellipses, like the excessive use of: ......... in every sentence you write. Sometimes I do ellipses in order to make the character have an emotion, and sometimes I have a tendency to use commas every time, which I sometimes don't check over.