diff --git a/pilot/connections/rdbms/conn_clickhouse.py b/pilot/connections/rdbms/conn_clickhouse.py
index dbee72187..a4ed46c32 100644
--- a/pilot/connections/rdbms/conn_clickhouse.py
+++ b/pilot/connections/rdbms/conn_clickhouse.py
@@ -11,8 +11,11 @@ class ClickhouseConnect(RDBMSDatabase):
     Usage:
     """
 
+    """db type"""
     db_type: str = "clickhouse"
+    """db driver"""
     driver: str = "clickhouse"
+    """db dialect"""
     db_dialect: str = "clickhouse"
 
     @classmethod