diff --git a/docs/en/12-taos-sql/10-function.md b/docs/en/12-taos-sql/10-function.md
index 86ff5a58ce31a357d6e247294ffdac791cb0c032..c49fb428ef0c93f52b5e4048f5e05ad807910adf 100644
--- a/docs/en/12-taos-sql/10-function.md
+++ b/docs/en/12-taos-sql/10-function.md
@@ -191,7 +191,7 @@ Query OK, 1 row(s) in set (0.000921s)
 SELECT MODE(field_name) FROM tb_name [WHERE clause];
 ```
 
-**Description**:The value which has the highest frequency of occurrence. NULL is returned if there are multiple values which have highest frequency of occurrence. It can't be used on timestamp column or tags.
+**Description**:The value which has the highest frequency of occurrence. One random value is returned if there are multiple values which have highest frequency of occurrence. It can't be used on timestamp column or tags.
 
 **Return value type**:Same as the data type of the column being operated upon