diff --git a/app/entities/instance-metadata/page.mdx b/app/entities/instance-metadata/page.mdx
index 79d19b0..bf83e81 100644
--- a/app/entities/instance-metadata/page.mdx
+++ b/app/entities/instance-metadata/page.mdx
@@ -136,6 +136,7 @@ On all entities that have an `author` field, the `author` can be `null` to repre
             "key": "MCowBQYDK2VwAyEA9zhEMtQZetRl4QrLcz99i7jOa6ZVjX7aLfRUsMuKByI="
         },
         "banner": null,
+        "created_at": "2021-07-01T00:00:00Z",
         "extensions": {
             "example.extension:monthly_active_users": 1000
         }
diff --git a/app/federation/discovery/page.mdx b/app/federation/discovery/page.mdx
index fe170b9..fd20e9d 100644
--- a/app/federation/discovery/page.mdx
+++ b/app/federation/discovery/page.mdx
@@ -81,5 +81,6 @@ Accept: application/json
         ]
     },
     "host": "versia.social",
+    "created_at": "2021-07-01T00:00:00Z"
 }
 ```
\ No newline at end of file