Inverted UI and API in the repositories list

README.md

@@ -33,11 +33,12 @@ OH is developed in Java and it is based on open-source tools and libraries; it r
 For more information check the online documentation [here][documentation].
 
 Open Hospital is composed by the following components, hosted in separated repositories:
+
  - [OH Core][core], a library that contains the business logic and the data abstraction layer
  - [OH GUI][gui], which provides a graphical user interface (GUI) made with Java Swing
  - [OH Doc][doc], which contains the user and admin documentation in Asciidoc format
- - [OH UI][ui], a web user interface that consists of a React SPA (single page application) [*WIP*]
  - [OH API][api], a web server that exposes REST APIs over the Core component, and it's used by the UI component [*WIP*]. 
+ - [OH UI][ui], a web user interface that consists of a React SPA (single page application) [*WIP*]
 
 ## How to contribute