diff --git a/docs/superpowers/plans/2026-07-20-order-list-open-work-count.md b/docs/superpowers/plans/2026-07-20-order-list-open-work-count.md
index 5895d1f..d7c959f 100644
--- a/docs/superpowers/plans/2026-07-20-order-list-open-work-count.md
+++ b/docs/superpowers/plans/2026-07-20-order-list-open-work-count.md
@@ -31,7 +31,7 @@
 - Modify: `client/src/i18n/locales/th-TH.ts`
 
 **Interfaces:**
-- Consumes: `ReservationOrderListItem.open_work_item_count?: number | null`
+- Consumes: `ReservationOrderListItem.open_work_item_count: number | null`
 - Produces: 订单列表“待处理”列只展示 `open_work_item_count`
 
 - [x] **Step 1: Write failing view test**