Example link broken

Hello,

On this link: Best Practices: Ray with Tensorflow — Ray v2.0.0.dev0
when I try to access distributed tensorflow example, the link seems to be broken, the link that I am trying to access:
https://docs.ray.io/en/master/tf_distributed_training.html

cc @rliaw @kai can you guys fix this link?

Hello,

I am looking for sample code that can help me run distributed TF training, can you please help?

Thanks