diff --git a/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md b/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md
index b20b33663633d8..afba0ee6bc3349 100644
--- a/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md
+++ b/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md
@@ -52,7 +52,7 @@ illustrate:
 2) Modify / add properties for the catalog
 
 ```sql
-ALTER CATALOG catalog_name SET PROPERTIES ('key1' = 'value1' [, 'key' = 'value2']); 
+ALTER CATALOG catalog_name SET PROPERTIES ('key1' = 'value1', 'key' = 'value2'); 
 ```
 
 Update values of specified keys. If a key does not exist in the catalog properties, it will be added. 
diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md
index 71f289c61bbbbf..5de9fdf5f77279 100644
--- a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md
+++ b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-CATALOG.md
@@ -51,7 +51,7 @@ ALTER CATALOG catalog_name RENAME new_catalog_name;
 2) 设置数据目录属性
 
 ```sql
-ALTER CATALOG catalog_name SET PROPERTIES ('key1' = 'value1' [, 'key' = 'value2']); 
+ALTER CATALOG catalog_name SET PROPERTIES ('key1' = 'value1', 'key' = 'value2'); 
 ```
 
 更新指定属性的值为指定的 value。如果 SET PROPERTIES 从句中的 key 在指定 catalog 属性中不存在，则新增此 key。