diff --git a/docs/en/14-reference/12-config/index.md b/docs/en/14-reference/12-config/index.md
index 3ce0f9e0978c6723ddb60e69373cc24b96382672..2b129533eba06a9da4adbc5fd459cfbf4248f840 100644
--- a/docs/en/14-reference/12-config/index.md
+++ b/docs/en/14-reference/12-config/index.md
@@ -179,7 +179,7 @@ The parameters described in this document by the effect that they have on the sy
 | Attribute     | Description                             |
 | -------- | -------------------------------- |
 | Applicable | Server only                     |
-| Meaning   | count()/hyperloglog() return value or not if the result data is NULL |
+| Meaning   | count()/hyperloglog() return value or not if the input 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, and input data in certain groups or windows is empty or NULL, the corresponding groups or windows have no return values |