fix(esl-media): minor docs updates

src/modules/esl-media/README.md

@@ -86,7 +86,7 @@ using a single tag as well as work with external providers using simple native-l
 
  - `start-time` - attribute that allows a user to start viewing a video from a specific time offset. The value is simple time in seconds. By default, it is undefined which means to start from the beginning.
 *(note: that feature doesn't work for Abstract Iframe provider, also doesn't work for HTMLAudio and HTMLVideo providers in case when Web-server when hosted resource doesn't support ['Accept-Ranges' HTTP response marker](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept-Ranges))*
- - `focusable` (boolean) - marker that allows the video to be focused by keyboard navigation. By default, the video is not focusable controls are disabled.
+ - `focusable` (boolean) - marker that allows the video to be focused by keyboard navigation. By default, the video is focusable if `controls` are enabled.
 
 #### Deprecated attributes (going to be removed in the next major release):
  - `load-cls-accepted` (optional) - class to add when the media is loaded and accepted by the load condition. Use `load-condition-class` instead.