diff --git a/user_guide/libraries/form_validation.html b/user_guide/libraries/form_validation.html
index 1bdc3a4..6ed0b1d 100644
--- a/user_guide/libraries/form_validation.html
+++ b/user_guide/libraries/form_validation.html
@@ -1027,6 +1027,8 @@
 <a name="functionreference"></a>
 <h1>Function Reference</h1>
 
+<p>The following functions are intended for use in your controller functions.</p>
+
 <h2>$this->form_validation->set_rule();</h2>
 
 <p>Permits you to set validation rules, as described in the tutorial sections above:</p>