diff --git a/lib/tiles/OfflineTilesEnablerLayer.js b/lib/tiles/OfflineTilesEnablerLayer.js
index 47415a4..0965bdd 100644
--- a/lib/tiles/OfflineTilesEnablerLayer.js
+++ b/lib/tiles/OfflineTilesEnablerLayer.js
@@ -203,6 +203,10 @@ define([
                 return this._level;
             },
 
+            /**
+             * Returns the maximum zoom level for this layer
+             * @param callback number
+             */
             getMaxZoom: function(callback){
 
                 if(this._maxZoom == null){
@@ -223,6 +227,10 @@ define([
 
             },
 
+            /**
+             * Returns the minimum zoom level for this layer
+             * @param callback number
+             */
             getMinZoom: function(callback){
 
                 if(this._minZoom == null){