diff --git a/src/core/controllers/base_controller.py b/src/core/controllers/base_controller.py
index 5dfd377..474e200 100644
--- a/src/core/controllers/base_controller.py
+++ b/src/core/controllers/base_controller.py
@@ -17,6 +17,8 @@ from .bridge_controller import BridgeController
 
 
 class BaseController(IPCSignalsMixin, KeyboardSignalsMixin, BaseControllerData):
+    """ docstring for BaseController. """
+
     def __init__(self):
 
         self._setup_controller_data()