jsdoc fixes and beta 23 prep

package.json

@@ -1,6 +1,6 @@
 {
   "name": "phaser",
-  "version": "3.60.0-beta.22",
+  "version": "3.60.0-beta.23",
   "release": "Miku",
   "description": "A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.",
   "author": "Richard Davey <rich@photonstorm.com> (https://www.photonstorm.com)",

src/animations/events/ANIMATION_UPDATE_EVENT.js

@@ -8,7 +8,7 @@
  * The Animation Update Event.
  *
  * This event is dispatched by a Sprite when an animation playing on it updates. This happens when the animation changes frame.
- * An animation will change frame based on the frme rate and other factors like `timeScale` and `delay`. It can also change
+ * An animation will change frame based on the frame rate and other factors like `timeScale` and `delay`. It can also change
  * frame when stopped or restarted.
  *
  * Listen for it on the Sprite using `sprite.on('animationupdate', listener)`

src/const.js

@@ -20,7 +20,7 @@ var CONST = {
      * @type {string}
      * @since 3.0.0
      */
-    VERSION: '3.60.0-beta.22',
+    VERSION: '3.60.0-beta.23',
 
     BlendModes: require('./renderer/BlendModes'),
 

src/time/Timeline.js

@@ -451,6 +451,16 @@ var Timeline = new Class({
     /**
      * Adds one or more events to this Timeline.
      *
+     * You can pass in a single configuration object, or an array of them:
+     *
+     * ```js
+     * const timeline = this.add.timeline({
+     *     at: 1000,
+     *     run: () => {
+     *         this.add.sprite(400, 300, 'logo');
+     *     }
+     * });
+     * ```
      *
      * @method Phaser.Time.Timeline#add
      * @since 3.60.0