use correct demo account

README.md

@@ -28,7 +28,7 @@ The ACL is based on share with groups or individual users.
 The fastest way to test it is to test the demo:
 
 * http://demo.archipeldata.com
-* login: demo@archipeldata.com
+* login: demo@localhost
 * password: demo
 
 ### Install your own instance ###
@@ -212,4 +212,4 @@ Example of Apache WSGI configuration. This configuration refers to productionapp
 
 If you need help, contact us. If you want to help, contact us. So... contact us ;)
 
-Damien Accorsi - damien.accorsi@free.fr
+Damien Accorsi - damien.accorsi@free.fr