diff --git a/docs/jdbc-mysql-catalog.md b/docs/jdbc-mysql-catalog.md
index aa2e828bd7d..419ef71cf93 100644
--- a/docs/jdbc-mysql-catalog.md
+++ b/docs/jdbc-mysql-catalog.md
@@ -13,6 +13,10 @@ This software is licensed under the Apache License version 2."
 
 Gravitino provides the ability to manage MySQL metadata.
 
+:::caution
+Gravitino saves some system information in schema and table comment, like `(From Gravitino, DO NOT EDIT: gravitino.v1.uid1078334182909406185)`, please don't change or remove this message.
+:::
+
 ## Catalog
 
 ### Catalog capabilities
@@ -51,7 +55,7 @@ Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravit
 ### Schema capabilities
 
 - Gravitino schema corresponds to the MySQL database.
-- Supports create schema with comments.
+- Supports create schema, but does not explicitly support setting comments.
 - Supports drop schema.
 - Doesn't support cascade drop database.
 
diff --git a/docs/jdbc-postgresql-catalog.md b/docs/jdbc-postgresql-catalog.md
index 2397f02605f..a72f41072b1 100644
--- a/docs/jdbc-postgresql-catalog.md
+++ b/docs/jdbc-postgresql-catalog.md
@@ -13,12 +13,16 @@ This software is licensed under the Apache License version 2."
 
 Gravitino provides the ability to manage PostgreSQL metadata.
 
+:::caution
+Gravitino saves some system information in schema and table comment, like `(From Gravitino, DO NOT EDIT: gravitino.v1.uid1078334182909406185)`, please don't change or remove this message.
+:::
+
 ## Catalog
 
 ### Catalog capabilities
 
 - Gravitino catalog corresponds to the PostgreSQL database.
-- Supports metadata management of PostgreSQL (9.2, 12.0, 13.0).
+- Supports metadata management of PostgreSQL (12.x, 13.x, 14.x, 15.x, 16.x).
 - Supports DDL operation for PostgreSQL schemas and tables.
 - Doesn't support table index operations.
 - Doesn't support setting certain column properties, such as default value and check constraints