prefer npm

Author: Charlie Kassel

README.md

@@ -17,24 +17,21 @@ A datepicker Vue component. Compatible with Vue 2.x
 - [Highlighted dates](#highlighted-dates)
 - [Translations](#translations)
 
-NB. Vue 1.x was supported up to version v0.9.9. If you want to use this component with Vue 1.x you can install with `yarn install [email protected]`
+NB. Vue 1.x was supported up to version v0.9.9. If you want to use this component with Vue 1.x you can install with `npm install [email protected]`
 
 ## Demo
 
 To view a demo online:
 https://codesandbox.io/s/mpklq49wp
 
-To view demo examples locally clone the repo and run `yarn install && yarn serve`
+To view demo examples locally clone the repo and run `npm install && npm run serve`
 
 ## Install
 
 ``` bash
 npm install vuejs-datepicker --save
 ```
-or
-``` bash
-yarn add vuejs-datepicker
-```
+
 
 ``` javascript
 import Datepicker from 'vuejs-datepicker';