diff --git a/js/ComboBoxListBox.js b/js/ComboBoxListBox.js
index 21052f45..114fa42c 100644
--- a/js/ComboBoxListBox.js
+++ b/js/ComboBoxListBox.js
@@ -118,7 +118,7 @@ define( require => {
 
         //TODO sun#314 a11yClickListener should not be assigned here, it should be set via options or a setter method
         // a11y - select the property and close on a click event from assistive technology, must be removed in disposal
-        // of combobox item. Keep track of it on the listItemNode for disposal.
+        // of combo box item. Keep track of it on the listItemNode for disposal.
         listItemNode.a11yClickListener = {
           keydown: event => {
             if ( KeyboardUtil.KEY_ENTER === event.domEvent.keyCode || KeyboardUtil.KEY_SPACE === event.domEvent.keyCode ) {