## Description:


**Related issue (if applicable):** fixes <link to issue>

**Pull request in [esphome](https://github.com/esphome/esphome) with YAML changes (if applicable):** esphome/esphome#<esphome PR number goes here>

## Checklist:

  - [ ] I am merging into `next` because this is new documentation that has a matching pull-request in [esphome](https://github.com/esphome/esphome) as linked above.  
    or
  - [ ] I am merging into `current` because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

  - [ ] Link added in `/index.rst` when creating new documents for new components or cookbook.