Merge pull request #97 from spotify/thisisjofrank-patch-2

Update readme.md

Author: thisisjofrank

get_user_profile/readme.md

@@ -3,9 +3,16 @@
 
 This is the final code for the Spotify Web API - How to Display your Profile Data in a Web . You can run this demo directly or [walk through the tutorial](https://developer.spotify.com/documentation/web-api/howto/web-app-profile).
 
+## Pre-requisites
+
+To run this demo you will need:
+
+- A [Node.js LTS](https://nodejs.org/en/) environment or later.
+- A [Spotify Developer Account](https://developer.spotify.com/)
+
 ## Usage
 
-To run this demo clone the repository, cd into the `get_user_profile` directory and run:
+Clone the repository, cd into the `get_user_profile` directory and run:
 
 ```bash
 npm install