Fixed a broken link

Author: JamesMessinger

README.md

@@ -89,7 +89,7 @@ For more detailed examples, please see the [API Documentation](https://apidevtoo
 Installation
 --------------------------
 #### Node
-Install using [npm](https://docs.npmjs.com/getting-started/what-is-npm):
+Install using [npm](https://docs.npmjs.com/about-npm/):
 
 ```bash
 npm install json-schema-ref-parser