diff --git a/user_guide/general/controllers.html b/user_guide/general/controllers.html
index 2020011..782fbfa 100644
--- a/user_guide/general/controllers.html
+++ b/user_guide/general/controllers.html
@@ -274,7 +274,7 @@
 
 <code>if ($this-&gt;output-&gt;cache_expiration &gt; 0)<br />
 {<br />
-&nbsp;&nbsp;&nbsp;&nbsp;$this-&gt;output-&gt;write_cache($output);<br />
+&nbsp;&nbsp;&nbsp;&nbsp;$this-&gt;output-&gt;_write_cache($output);<br />
 }</code>
 
 If you are using this feature the page execution timer and memory usage stats might not be perfectly accurate