diff --git a/API_Reference/pymilvus/v2.4.x/MilvusClient/Vector/delete.md b/API_Reference/pymilvus/v2.4.x/MilvusClient/Vector/delete.md
index e7a71d4f3..b2a3f0dae 100644
--- a/API_Reference/pymilvus/v2.4.x/MilvusClient/Vector/delete.md
+++ b/API_Reference/pymilvus/v2.4.x/MilvusClient/Vector/delete.md
@@ -71,7 +71,8 @@ A dictionary contains the number of deleted entities.
 
 ```python
 {
-    "delete_cnt": int
+    "delete_count": int,
+    "cost": int
 }
 ```