diff --git a/API_Reference/pymilvus/v2.4.x/ORM/Collection/query_iterator.md b/API_Reference/pymilvus/v2.4.x/ORM/Collection/query_iterator.md
index 2c0f1f02eb..35f0bae165 100644
--- a/API_Reference/pymilvus/v2.4.x/ORM/Collection/query_iterator.md
+++ b/API_Reference/pymilvus/v2.4.x/ORM/Collection/query_iterator.md
@@ -113,7 +113,7 @@ while True:
     res = iterator.next()
     
     if not res:
-        iterator.close()
+        res.close()
         break
 ```