Minor: Plugin: vChamilo: Improve docs

plugin/vchamilo/plugin.php

@@ -20,7 +20,7 @@ global $_configuration;
 //the plugin title
 $plugin_info['title'] = 'Chamilo Virtualization';
 //the comments that go with the plugin
-$plugin_info['comment'] = "Holds chamilo virtualisation tools";
+$plugin_info['comment'] = "Allows the virtualization of Chamilo. Use your main Chamilo installation as a hub, then create instances based on the same code but with different databases, and generate snapshots, and manage all instances like VM images.";
 //the plugin version
 $plugin_info['version'] = '1.2';
 //the plugin author