Updating README

Author: MaaSTaaR

README.md

@@ -2,5 +2,5 @@ PrettyPi is a TODO list application for Raspberry Pi that shows your tasks in fr
 
 Details and Installation guide [here](http://www.maastaar.net/prettypi/raspberry%20pi/2017/09/01/prettypi-todo-list-for-raspberry-pi-touchscreen/)
 
-##Demo
+## Demo
 [![PrettyPi V0.0.1 Demo](https://img.youtube.com/vi/NdvriHe8LHk/0.jpg)](https://www.youtube.com/watch?v=NdvriHe8LHk)