Fixed a typo
diff --git a/user_guide/general/security.html b/user_guide/general/security.html
index 036eb10..8b6eba8 100644
--- a/user_guide/general/security.html
+++ b/user_guide/general/security.html
@@ -118,7 +118,7 @@
<li><h2>Validate the data</h2>
-<p>CodeIgniter has a <a href="../libraries/validation.html">Validation Class</a> that assists you in validating, filtering, and prepping
+<p>CodeIgniter has a <a href="../libraries/form_validation.html">Form Validation Class</a> that assists you in validating, filtering, and prepping
your data.</p>
</li>