diff --git a/docs/dev/public_api.yml b/docs/dev/public_api.yml
index 987aceef3..6e35f9bdd 100644
--- a/docs/dev/public_api.yml
+++ b/docs/dev/public_api.yml
@@ -88,7 +88,7 @@ paths:
         content:
           application/json:
             schema:
-              "$ref": "#/components/schemas/HistoryObject"
+              "$ref": "#/components/schemas/HistoryUpdateObject"
       responses:
         '200':
           description: The new history.
@@ -908,6 +908,12 @@ components:
         pinned:
           type: boolean
           description: Whether the user has pinned this note.
+    HistoryUpdateObject:
+      type: object
+      properties:
+        pinned:
+          type: boolean
+          description: Whether the user has pinned this note.
     History:
       type: object
       properties: