Fix #235 error in form_helper docs.
diff --git a/user_guide/helpers/form_helper.html b/user_guide/helpers/form_helper.html
index f82c669..87e3c28 100644
--- a/user_guide/helpers/form_helper.html
+++ b/user_guide/helpers/form_helper.html
@@ -281,7 +281,7 @@
which will be added below the tag. For example:</p>
<code>$string = "</div></div>";<br />
<br />
-echo fieldset_close($string);<br />
+echo form_fieldset_close($string);<br />
<br />
// Would produce:<br />
</fieldset><br />