Update webgl_geometry_extrude_shapes.html example description

examples/webgl_geometry_extrude_shapes.html

@@ -54,7 +54,7 @@
         info.style.top = '10px';
         info.style.width = '100%';
         info.style.textAlign = 'center';
-        info.innerHTML = 'Simple procedurally generated 3D shapes example by <a href="http://www.lab4games.net/zz85/blog">zz85</a><br/>Drag to spin';
+        info.innerHTML = 'Shapes Extrusion via Spline path<br/>Drag to spin';
         container.appendChild( info );
 
         scene = new THREE.Scene();
@@ -326,4 +326,4 @@
     </script>
 
   </body>
-</html>
+</html>