Merge pull request microsoft#143 from jadsonluan/minor-grammar-fixes

Fix informal title in README.md

Author: Orta

README.md

@@ -53,7 +53,7 @@ Finally, navigate to `http://localhost:3000` and you should see the template bei
 There are many ways to deploy an Node app, and in general, nothing about the deployment process changes because you're using TypeScript.
 In this section, I'll walk you through how to deploy this app to Azure App Service using the extensions available in VS Code because I think it is the easiest and fastest way to get started, as well as the most friendly workflow from a developer's perspective.
 
-## Pre-reqs
+## Prerequisites
 - [**Azure account**](https://azure.microsoft.com/en-us/free/) - If you don't have one, you can sign up for free.
 The Azure free tier gives you plenty of resources to play around with including up to 10 App Service instances, which is what we will be using.
 - [**VS Code**](https://code.visualstudio.com/) - We'll be using the interface provided by VS Code to quickly deploy our app.