diff --git a/kitchen-sink.html b/kitchen-sink.html
index ac241fa1..858514f9 100644
--- a/kitchen-sink.html
+++ b/kitchen-sink.html
@@ -13,13 +13,13 @@
 
     <!--DEVEL-->
       <link rel="stylesheet" href="demo/kitchen-sink/styles.css" type="text/css" media="screen" charset="utf-8">
-      <script src="http://use.edgefonts.net/source-code-pro.js"></script> 
+      <script async="true" src="http://use.edgefonts.net/source-code-pro.js"></script> 
     <!--DEVEL-->
 
     <link href="./doc/resources/ace/skeleton/images/favicon.ico" rel="icon" type="image/x-icon">
     <!--PACKAGE
       <link rel="stylesheet" href="kitchen-sink/styles.css" type="text/css" media="screen" charset="utf-8">
-      <script src="http://use.edgefonts.net/source-code-pro.js"></script> 
+      <script async="true" src="http://use.edgefonts.net/source-code-pro.js"></script> 
     PACKAGE-->
 </head>
 <body>
@@ -280,4 +280,4 @@
     PACKAGE-->
 
 </body>
-</html>
\ No newline at end of file
+</html>
