Figured out that it's supposed to be an array of some sort from the pixi source.

Author: Rovanion

src/gameobjects/GameObjectFactory.js

@@ -221,7 +221,7 @@ Phaser.GameObjectFactory.prototype = {
     * @param {number} y - The y coordinate (in world space) to position the TileSprite at.
     * @param {string|Phaser.RenderTexture|Phaser.BitmapData|PIXI.Texture} key - This is the image or texture used by the TileSprite during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture or PIXI.Texture.
     * @param {string|number} frame - If this TileSprite is using part of a sprite sheet or texture atlas you can specify the exact frame to use by giving a string or numeric index.
-		* @param points Something something dark side.
+		* @param {Array} points Something something dark side.
     * @param {Phaser.Group} [group] - Optional Group to add the object to. If not specified it will be added to the World group.
     * @return {Phaser.TileSprite} The newly created tileSprite object.
     */

src/gameobjects/Rope.js

@@ -16,7 +16,7 @@
 * @param {number} y - The y coordinate (in world space) to position the Rope at.
 * @param {string|Phaser.RenderTexture|Phaser.BitmapData|PIXI.Texture} key - This is the image or texture used by the Rope during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture or PIXI.Texture.
 * @param {string|number} frame - If this Rope is using part of a sprite sheet or texture atlas you can specify the exact frame to use by giving a string or numeric index.
-* @param points Something something dark side.
+* @param {Array} points Something something dark side.
 */
 Phaser.Rope = function (game, x, y, key, frame, points) {