Updated demo

docs/index.html

@@ -255,7 +255,7 @@
 			</div>
 			<div class = "sections" id = "init">
 				<h2>Callbacks</h2>
-				<p>Additionally if you want to add callbacks to handle what happens when the user selects an option.</p>
+				<p>Additionally you may want to add callbacks to handle what happens when the user selects an option.</p>
 				<div class = "steps">
 					<ol>
 						<li>