diff --git a/js/angular/directive/content.js b/js/angular/directive/content.js
index 9be0b1b88e..3fbf7348cb 100644
--- a/js/angular/directive/content.js
+++ b/js/angular/directive/content.js
@@ -32,12 +32,13 @@
  * Ionic scroll.
  * @param {boolean=} scrollbar-x Whether to show the horizontal scrollbar. Default true.
  * @param {boolean=} scrollbar-y Whether to show the vertical scrollbar. Default true.
+ * @param {string=} start-x Initial horizontal scroll position. Default 0.
  * @param {string=} start-y Initial vertical scroll position. Default 0.
- * of the content.  Defaults to true on iOS, false on Android.
  * @param {expression=} on-scroll Expression to evaluate when the content is scrolled.
  * @param {expression=} on-scroll-complete Expression to evaluate when a scroll action completes.
  * @param {boolean=} has-bouncing Whether to allow scrolling to bounce past the edges
  * of the content.  Defaults to true on iOS, false on Android.
+ * @param {number=} scroll-event-interval Number of milliseconds between each firing of the 'on-scroll' expression. Default 10.
  */
 IonicModule
 .directive('ionContent', [