Polished some DataManagerPlugin and EachActiveSoundCallback descriptions.

Author: hexus

src/data/DataManagerPlugin.js

@@ -33,7 +33,7 @@ var DataManagerPlugin = new Class({
         DataManager.call(this, scene, scene.sys.events);
 
         /**
-         * The Scene that this DataManager belongs to.
+         * A reference to the Scene that this DataManager belongs to.
          *
          * @name Phaser.Data.DataManagerPlugin#scene
          * @type {Phaser.Scene}
@@ -42,7 +42,7 @@ var DataManagerPlugin = new Class({
         this.scene = scene;
 
         /**
-         * The Systems of the Scene that this DataManager belongs to.
+         * A reference to the Scene's Systems.
          *
          * @name Phaser.Data.DataManagerPlugin#systems
          * @type {Phaser.Scenes.Systems}

src/sound/BaseSoundManager.js

@@ -14,8 +14,8 @@ var NOOP = require('../utils/NOOP');
  * @callback EachActiveSoundCallback
  *
  * @param {Phaser.Sound.BaseSoundManager} manager - The SoundManager
- * @param {Phaser.Sound.BaseSound} sound - The active Sound
- * @param {number} index - The index
+ * @param {Phaser.Sound.BaseSound} sound - The current active Sound
+ * @param {number} index - The index of the current active Sound
  * @param {Phaser.Sound.BaseSound[]} sounds - All sounds
  */