Making note about Node 8 a bit clearer

README.md

@@ -5,8 +5,8 @@ Mi Air Purifier, Mi Robot Vacuum and Mi Smart Socket. These devices are commonly
 part of what Xiaomi calls the Mi Ecosystem which is branded as MiJia.
 
 `miio` is [MIT-licensed](LICENSE.md) and requires at least Node 6.6.0. As
-the API is promise-based Node 8 is recommended to use `async` and `await` for
-simplified asynchronous handling.
+the API is promise-based Node 8 is recommended which provides support `async`
+and `await` that greatly simplifies asynchronous handling.
 
 **Note:** Since 0.15.0 this library has been rewritten to use [abstract-things](https://github.com/tinkerhub/abstract-things)
 as its base. The API of devices will have changed, and some bugs are to be