Added comment about root_url to enable multiple urls

config/configuration.dist.php

@@ -38,6 +38,7 @@ $_configuration['main_database'] = '{DATABASE_MAIN}';
 
 /** Directory settings */
 // URL to the root of your Chamilo installation, e.g.: http://www.mychamilo.com/
+// Comment this line if you want to enable multiple URLs
 $_configuration['root_web']    = '{ROOT_WEB}';
 
 /** Chamilo will automatically manage the following paths */

config/configuration.dist.yml.php

@@ -21,6 +21,7 @@ $_configuration['main_database']         = 'chamilo';
  * Directory settings
  */
 // URL to the root of your Chamilo installation, e.g.: http://www.mychamilo.com/
+// Comment this line if you want to enable multiple URLs
 $_configuration['root_web']       = 'http://localhost/chamilo';
 $_configuration['root_sys']       = '/var/www/chamilo';