diff --git a/apps/contourclock/custom.html b/apps/contourclock/custom.html
index 711ba8f03..a85a84b75 100644
--- a/apps/contourclock/custom.html
+++ b/apps/contourclock/custom.html
@@ -14,7 +14,7 @@
   </style>
 </head>
 <body>
-  <h1>&nbsp;&nbsp;&nbsp;4Select Fonts to upload:</h1>
+  <h1>&nbsp;&nbsp;&nbsp;5Select Fonts to upload:</h1>
   <form>
     <script src="../../core/lib/customize.js"></script>
     <script>
@@ -56,7 +56,7 @@
           }
         }
         if (n>0) {
-          fonts.push({name:"contourclock-install.json", content:"{n:"+n+"}"});
+          fonts.push({name:"contourclock-install.json", content:"{\"n\":"+n+"}"});
           sendCustomizedApp({storage:fonts});
         } else {
           alert("Please select at least one Font!");
