Update README.md

Author: hww

README.md

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 This repository contains a simple Unity demo project with MVC architecture. The archtecture used in this project based on the articles [[1](https://d1z4o56rleaq4j.cloudfront.net/downloads/assets/Rouwe05_GuerrillaGuideToGameCode.pdf?mtime=20160418102916)] and [[2](http://www.kinematicsoup.com/news/2016/8/9/rrypp5tkubynjwxhxjzd42s3o034o8)]
 
-Figure 1. Framework diagram
+**Figure 1** - Framework diagram
 ![Class Diagram](doc/unity_mvc_diagram.png)
 
 ## References