diff --git a/src/config/config_types.py b/src/config/config_types.py
index 65224edd..272d2405 100644
--- a/src/config/config_types.py
+++ b/src/config/config_types.py
@@ -186,6 +186,7 @@ def to_config(self, value: Any) -> Any:
 
 
 class ConfigClass:
+    # keep method to show that child implementation have at least one attribute for initialization
     def __init__(self, **kwargs) -> None:
         pass