diff --git a/contents.json b/contents.json
index 30ffb8a6..641f5e0a 100644
--- a/contents.json
+++ b/contents.json
@@ -137,6 +137,11 @@
       "id": "text",
       "parent": "misc"
     },
+    {
+      "title": "Clock",
+      "id": "clock",
+      "parent": "misc"
+    },
     {
       "title": "Timer",
       "id": "timer",