Update README.md

Author: peiche-ms

README.md

@@ -51,5 +51,5 @@ The **UWP WinUI Sample** can be found in the [WinUI Controls Gallery](https://gi
 
 ## Next Steps
 
-* Checkout [Introduction to Microsoft Edge WebView2](aka.ms/webview) to learn more about WebView2
+* Checkout [Introduction to Microsoft Edge WebView2](https://aka.ms/webview) to learn more about WebView2
 * Please leave us feedback in our [feedback repo](https://aka.ms/webviewfeedback).