plugins can be direct references or factory functions

index.html

@@ -28,10 +28,10 @@
 		<script>
 			// More info about config & dependencies:
 			// - https://github.com/hakimel/reveal.js#configuration
-			// - https://github.com/hakimel/reveal.js#dependencies
+			// - https://github.com/hakimel/reveal.js#plugins
 			Reveal.initialize({
 				hash: true,
-				plugins: [ RevealMarkdown(), RevealHighlight(), RevealNotes() ]
+				plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ]
 			});
 		</script>
 	</body>