diff --git a/user_guide/helpers/security_helper.html b/user_guide/helpers/security_helper.html
index 516e3c0..d45d7c4 100644
--- a/user_guide/helpers/security_helper.html
+++ b/user_guide/helpers/security_helper.html
@@ -76,7 +76,7 @@
 

 <h2>xss_clean()</h2>

 

-<p>Provides Cross Site Script Hack filtering.  This function is an alias to the the one in the 

+<p>Provides Cross Site Script Hack filtering.  This function is an alias to the one in the 

 <a href="../libraries/input.html">Input class</a>.  More info can be found there.</p>