diff --git a/content/_meta.js b/content/_meta.js
index 1e5df9d..2702fc8 100644
--- a/content/_meta.js
+++ b/content/_meta.js
@@ -47,6 +47,12 @@ export default {
         timestamp: true,
       }
     },
+    Math4501: {
+      type: 'page',
+      theme:{
+        timestamp: true,
+      }
+    },
     Math416: {
       type: 'page',
       theme:{