diff --git a/developer/topics/forms_api_reference.html b/developer/topics/forms_api_reference.html
index dd477b4..521e2cd 100644
--- a/developer/topics/forms_api_reference.html
+++ b/developer/topics/forms_api_reference.html
@@ -2975,7 +2975,7 @@ $form['#attached']['js'] = array(<br/>&nbsp;&nbsp;drupal_get_path('module', 'aja
 as described in <a href="http://api.drupal.org/api/function/drupal_add_js">drupal_add_js()</a>.</p>
 
 <p><strong>Adding settings</strong></p>
-<p>You add a javascript setting by using the 'data' key (as php keys can't be arrays):</p>
+<p>You add a javascript setting by using a numeric key (as php keys can't be arrays):</p>
 <div class="codeblock"> <code>
 $settings = array('id' => 'mymodule-element-1');<br />
 $form['#attached']['js'][] = array(<br/>&nbsp;&nbsp;'data' => array('mymodule' => $settings),<br/>&nbsp;&nbsp;'type' => 'setting',<br/>);<br/>
