Update README.md

Author: emmamarzal

README.md

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 # Hubble 2 Demo
 ![Volume Network](https://www.volumenetwork.com/images/logo/white_256_w.png)
 
-This is the demo version for Hubble 2 CMS, made by [Volume Network](https://www.volumenetwork.com/).
+This is the demo version for Hubble 2 CMS, made by [Volume Network](https://www.volumenetwork.com/) and for you to have fun with!
+
+Please feel free to tell us your impressions and questions to daniel.pascual@volumenetwork.com. Enjoy!
 
 ## Download latest version