diff --git a/conf/db.py b/conf/db.py
index d7033fe..df6b738 100644
--- a/conf/db.py
+++ b/conf/db.py
@@ -1,3 +1,4 @@
+# db.py
 import os
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
diff --git a/conf/db_schema.py b/conf/db_schema.py
index 2a06911..95e345e 100644
--- a/conf/db_schema.py
+++ b/conf/db_schema.py
@@ -1,3 +1,4 @@
+# db_schema.py
 import os
 import yaml
 from sqlalchemy import Table, Column, Date, Integer, String, Float, Text, MetaData, UniqueConstraint, DateTime