Update README.md

README.md

@@ -66,7 +66,8 @@ If you want to use a different grid system or find yourself wanting to remove a
 
 
 ## Basic project structure
-<pre>app
+<pre>
+|-- app
 |   |-- app.component.html
 |   |-- app.component.scss
 |   |-- app.component.spec.ts					# All tests end with .spec.ts