diff --git a/src/standard/utils.html b/src/standard/utils.html
index 7985a7f8a6..3521b42080 100644
--- a/src/standard/utils.html
+++ b/src/standard/utils.html
@@ -148,9 +148,10 @@
      * @param {String} type Name of event type.
      * @param {Object=} detail Detail object containing event-specific
      *   payload.
-     * @param {Object=} options Object specifying options.  These
-     *   may include `bubbles` (boolean), `cancelable` (boolean), and `node`
-     *   on which to fire the event (HTMLElement, defaults to `this`).
+     * @param {Object=} options Object specifying options.  These may include:
+     *  `bubbles` (boolean, defaults to `true`),
+     *  `cancelable` (boolean, defaults to false), and 
+     *  `node` on which to fire the event (HTMLElement, defaults to `this`).
      * @return {CustomEvent} The new event that was fired.
      */
     fire: function(type, detail, options) {