updating copyrights to 2011
diff --git a/user_guide/libraries/security.html b/user_guide/libraries/security.html
index 6d6216d..5cd2747 100644
--- a/user_guide/libraries/security.html
+++ b/user_guide/libraries/security.html
@@ -121,7 +121,7 @@
<a href="../index.html">User Guide Home</a> ·
Next Topic: <a href="sessions.html">Session Class</a>
</p>
-<p><a href="http://codeigniter.com">CodeIgniter</a> · Copyright © 2006-2010 · <a href="http://ellislab.com/">EllisLab, Inc.</a></p>
+<p><a href="http://codeigniter.com">CodeIgniter</a> · Copyright © 2006 - 2011 · <a href="http://ellislab.com/">EllisLab, Inc.</a></p>
</div>
</body>