Improved the documentation based on user feedback.

www/index.php

@@ -22,7 +22,12 @@
 # ***** END LICENSE BLOCK ***** */
 
 // Set the include path to have Pluf and IDF in it.
-set_include_path(get_include_path().PATH_SEPARATOR.dirname(__FILE__).'/../src');
+$indefero_path = dirname(__FILE__).'/../src';
+//$pluf_path = '/path/to/pluf/src';
+set_include_path(get_include_path()
+                 .PATH_SEPARATOR.$indefero_path
+//                 .PATH_SEPARATOR.$pluf_path
+                 );
 require 'Pluf.php';
 Pluf::start(dirname(__FILE__).'/../src/IDF/conf/idf.php');
 Pluf_Dispatcher::loadControllers(Pluf::f('idf_views'));