Missing comma on options demo

Author: oswaldoacauan

index.html

@@ -225,7 +225,7 @@ <h3>Options</h3>
 		videoMaxWidth : 1140, <span>// videos max width</span>
 		beforeOpen: function() {}, <span>// called before opening</span>
 		afterOpen: null, <span>// called after opening</span>
-		afterClose: function() {} <span>// called after closing</span>
+		afterClose: function() {}, <span>// called after closing</span>
 		loopAtEnd: false <span>// true will return to the first image after the last image is reached</span>
 	} );