message: node 10 explanation
diff: @@ -32,7 +32,7 @@ We are using [SideeX](http://sideex.org/) as a start point. The SideeX team was
  - Install the dependencies
  ```peru sync```
  -```yarn```
  +```yarn``` or if using Node 10 ```yarn --ignore-engines```
  - Build the extension
  ```yarn build:ext``` or ```yarn build:ext:prod``` for production build
  - Install as developer on [Google Chrome](https://developer.chrome.com/extensions/getstarted#unpacked) or [Firefox](https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Temporary_Installation_in_Firefox)
  