diff --git a/app/entities/delete/page.mdx b/app/entities/delete/page.mdx
index f7ceae2..e9823b5 100644
--- a/app/entities/delete/page.mdx
+++ b/app/entities/delete/page.mdx
@@ -26,6 +26,9 @@ Having the authorization is defined as:
             <Property name="author" type="URI | null" required={true} typeLink="/types#uri">
                 URI of the `User` who is deleting the entity. [Can be set to `null` to represent the instance](/entities/instance-metadata#the-null-author).
             </Property>
+            <Property name="deleted_type" type="string" required={true}>
+                Type of the entity being deleted. In case of extensions, use the entity's `extension_type`.
+            </Property>
             <Property name="target" type="URI" required={true} typeLink="/types#uri">
                 URI of the entity being deleted.
             </Property>
@@ -40,6 +43,7 @@ Having the authorization is defined as:
         "id": "9b3212b8-529c-435a-8798-09ebbc17ca74",
         "created_at": "2021-01-01T00:00:00.000Z",
         "author": "https://example.com/users/6e0204a2-746c-4972-8602-c4f37fc63bbe",
+        "deleted_type": "Note",
         "deleted": "https://example.com/notes/02e1e3b2-cb1f-4e4a-b82e-98866bee5de7"
     }
     ```
diff --git a/app/entities/page.mdx b/app/entities/page.mdx
index a8b71f4..0e99332 100644
--- a/app/entities/page.mdx
+++ b/app/entities/page.mdx
@@ -51,6 +51,7 @@ Any field in an entity not marked as `required` may be omitted or set to `null`.
         "type": "Delete",
         "created_at": "2022-01-01T12:00:00Z",
         "author": "https://bongo.social/users/63a00ab3-39b1-49eb-b88e-ed65d2361f3e",
+        "deleted_type": "Note",
         "deleted": "https://bongo.social/notes/54059ce2-9332-46fa-bf6a-598b5493b81b",
     }
     ```