Update README.md

README.md

 # `fenics-binder`: A repository to launch FEniCS within Binder
 
+## Click on the Binder badge to launch
 
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.enpc.fr%2Fnavier-fenics%2Ffenics-binder/HEAD?urlpath=lab)
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+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.enpc.fr%2Fnavier-fenics%2Ffenics-binder/HEAD?urlpath=lab)
+
+## Contact
+
+Jeremy Bleyer, Ecole des Ponts ParisTech, Laboratoire Navier (UMR 8205)
+jeremy.bleyer@enpc.fr
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