Badges: fixed sof link

README.md

@@ -5,7 +5,7 @@
 [![License badge](https://img.shields.io/badge/license-MPL-blue.svg)](http://www.spagobi.org/homepage/opensource/license/)
 [![Documentation badge](https://readthedocs.org/projects/spagobi/badge/?version=latest)](http://spagobi.readthedocs.org/en/latest/)
 [![Docker badge](https://img.shields.io/docker/pulls/spagobilabs/spagobi.svg)](https://hub.docker.com/r/spagobilabs/spagobi/)
-[![Support badge](https://img.shields.io/badge/support-sof-yellowgreen.svg)](http://stackoverflow.com/questions/tagged/fiware-spagobi)
+[![Support badge](https://img.shields.io/badge/support-sof-yellowgreen.svg)](http://stackoverflow.com/questions/tagged/spagobi)
 
 * [Introduction](#introduction)
 * [GEi overall description](#gei-overall-description)