diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index b469b0e..53425d1 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -7,7 +7,7 @@
  * @package		CodeIgniter
  * @author		Rick Ellis
  * @copyright	Copyright (c) 2006, pMachine, Inc.
- * @license		http://www.codeignitor.com/user_guide/license.html 
+ * @license		http://www.codeignitor.com/user_guide/license.html
  * @link		http://www.codeigniter.com
  * @since		Version 1.0
  * @filesource