Fixed seconds examples link

index.html

@@ -52,7 +52,7 @@
 					<h2>Learn</h2>
 					<ul>
 						<li><a href="docs/index.html#manual/introduction/Creating-a-scene">documentation</a></li>
-						<li><a href="examples/#webgl_animation_cloth">examples</a></li>
+						<li><a href="examples/#webgl_animation_keyframes">examples</a></li>
 						<li><a href="editor/">editor</a></li>
 					</ul>