replaced www.codeigniter.com with codeigniter.com
diff --git a/system/application/config/hooks.php b/system/application/config/hooks.php
index 95e74cb..f0a0d6e 100644
--- a/system/application/config/hooks.php
+++ b/system/application/config/hooks.php
@@ -6,7 +6,7 @@
 | This file lets you define "hooks" to extend CI without hacking the core
 | files.  Please see the user guide for info:
 |
-|	http://www.codeigniter.com/user_guide/general/hooks.html
+|	http://codeigniter.com/user_guide/general/hooks.html
 |
 */