Update README.md

Author: virtualvivek

src/cra-template/README.md

@@ -6,7 +6,7 @@
 
 This is the official cra template for [react-windows-ui](https://github.com/virtualvivek/react-windows-ui).
 
-## For **`react-windows-ui -v4.1.0`**
+#### For **`react-windows-ui -v4.1.0`**
 
 # Getting Started