this link is broken in the article [step through the demo yourself](https://github.com/confluentinc/ksql/blob/0.1.x/docs/demo.md#demo https://github.com/conflu

this link is broken in the article [step through the demo yourself](https://github.com/confluentinc/ksql/blob/0.1.x/docs/demo.md#demo https://github.com/confluentinc/ksql/blob/0.1.x/docs/demo.md...)