Update README.md

Author: N7ghtm4r3

README.md

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 **v1.0.0**
 
-This project, based on Java and the Spring Boot framework, is an open source tool to manage and improve the developments of your releases.
+This project, based on Java and the Spring Boot framework, is an open source self-hosted tool to manage and improve the developments of your releases.
 Improve the development of your releases with **Nova**!
 
 ## Customize the application