update badge

Readme.md

@@ -5,7 +5,7 @@
 [![Coverage Status](https://coveralls.io/repos/kermitt2/grobid/badge.svg)](https://coveralls.io/r/kermitt2/grobid)
 [![Documentation Status](https://readthedocs.org/projects/grobid/badge/?version=latest)](https://readthedocs.org/projects/grobid/?badge=latest)
 [![GitHub release](https://img.shields.io/github/release/kermitt2/grobid.svg)](https://github.com/kermitt2/grobid/releases/)
-[![Demo cloud.science-miner.com/grobid](https://img.shields.io/website-up-down-green-red/https/grobid.science-miner.com.svg)](http://grobid.science-miner.com)
+[![Demo cloud.science-miner.com/grobid](https://img.shields.io/website-up-down-green-red/https/cloud.science-miner.com/grobid.svg)](http://cloud.science-miner.com/grobid)
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 [![Docker Hub](https://img.shields.io/docker/pulls/grobid/grobid.svg)](https://hub.docker.com/r/grobid/grobid/ "Docker Pulls")
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