ellipse code example is added to docs

src/shapes/Ellipse.js

@@ -11,6 +11,14 @@
      * @param {Object} config.radius defines x and y radius
      * @@ShapeParams
      * @@NodeParams
+     * @example
+     * var ellipse = new Kinetic.Ellipse({<br>
+     *   radius : {<br>
+     *     x : 50,<br>
+     *     y : 50<br>
+     *   },<br>
+     *   fill: 'red'<br>
+     * });
      */
     Kinetic.Ellipse = function(config) {
         this.___init(config);

src/shapes/Rect.js

@@ -13,7 +13,7 @@
      *   width: 100,<br>
      *   height: 50,<br>
      *   fill: 'red',<br>
-     *   stroke: 'black'<br>
+     *   stroke: 'black',<br>
      *   strokeWidth: 5<br>
      * });
      */