From 7ef6bd7ad89faa40b906ada131f083b42aa731f5 Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <36554565+glzhao89@users.noreply.github.com>
Date: Wed, 15 Feb 2023 17:41:22 +0800
Subject: [PATCH] Update index.md

---
 docs/en/14-reference/12-config/index.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/en/14-reference/12-config/index.md b/docs/en/14-reference/12-config/index.md
index 522109337f..3ce0f9e097 100644
--- a/docs/en/14-reference/12-config/index.md
+++ b/docs/en/14-reference/12-config/index.md
@@ -182,7 +182,7 @@ The parameters described in this document by the effect that they have on the sy
 | Meaning   | count()/hyperloglog() return value or not if the result data is NULL |
 | Vlue Range | 0：Return empty line，1：Return 0       |
 | Default   | 1                            |
-| Notes | When this parameter is setting to 1: for queries containing GROUP BY, PARTITION BY and INTERVAL clause, count/hyperloglog functions do not return value; if count/hyperloglog used together with other aggregate functions, other aggregate functions return NULL. |
+| Notes | When this parameter is setting to 1, for queries containing GROUP BY, PARTITION BY and INTERVAL clause, and input data in certain groups or windows is empty or NULL, the corresponding groups or windows have no return values |
 
 ### maxNumOfDistinctRes