* JSDoc

README.md

@@ -88,12 +88,20 @@ Saving and restoring of the sort.
 new Sortable(el, {
 	group: "localStorage-example",
 	store: {
-
+		/**
+		 * Get the order of elements. Called once during initialization.
+		 * @param   {Sortable}  sortable
+		 * @retruns {Array}
+		 */
 		get: function (sortable) {
 			var order = localStorage.getItem(sortable.options.group);
 			return order ? order.split('|') : [];
 		},
 
+		/**
+		 * Save the order of elements. Called every time at the drag end.
+		 * @param {Sortable}  sortable
+		 */
 		set: function (sortable) {
 			var order = sortable.toArray();
 			localStorage.setItem(sortable.options.group, order.join('|'));