diff --git a/lib/OpenLayers/Tile.js b/lib/OpenLayers/Tile.js
index 1fefdb2b86..156912a078 100644
--- a/lib/OpenLayers/Tile.js
+++ b/lib/OpenLayers/Tile.js
@@ -13,16 +13,17 @@ OpenLayers.Tile.prototype = {
     /** @type OpenLayers.Grid */
     grid: null,
     
-    // str - url of the request
+    /** @type STring url of the request */
     url:null,
 
-    // OpenLayers.Bounds
+    /** @type OpenLayers.Bounds */
     bounds:null,
     
-    // OpenLayers.Size
+    /** @type OpenLayers.Size */
     size:null,
     
-    // OpenLayers.Pixel Top Left pixel of the tile
+    /** Top Left pixel of the tile
+    * @type OpenLayers.Pixel */
     position:null,
 
     /**