diff --git a/ionic/components/nav/nav-controller.ts b/ionic/components/nav/nav-controller.ts
index 4245f44bb2..4ce4a4e4e9 100644
--- a/ionic/components/nav/nav-controller.ts
+++ b/ionic/components/nav/nav-controller.ts
@@ -463,7 +463,7 @@ export class NavController extends Ion {
    * in and become the active page.
    *
    * @param {number} insertIndex  The index where you want to insert the page
-   * @param {Array<{page: Type, params?: any}>} insertPages  An array of objects, each with a `page` and optionally `params` property
+   * @param {Array<{page: Type, params=: any}>} insertPages  An array of objects, each with a `page` and optionally `params` property
    * @param {object} [opts={}] Any options you want to use pass to transtion
    * @returns {Promise} Returns a promise when the pages have been inserted into the navigation stack
    */
@@ -1571,4 +1571,4 @@ const STATE_REMOVE_AFTER_TRANS = 'remove_after_trans';
 const STATE_FORCE_ACTIVE = 'force_active';
 const INIT_ZINDEX = 10;
 
-let ctrlIds = -1;
\ No newline at end of file
+let ctrlIds = -1;