diff --git a/tests/system_tests/transport_interface/can/python_can/test_python_can_kvaser.py b/tests/system_tests/transport_interface/can/python_can/test_python_can_kvaser.py
index 923f5325..173fae05 100644
--- a/tests/system_tests/transport_interface/can/python_can/test_python_can_kvaser.py
+++ b/tests/system_tests/transport_interface/can/python_can/test_python_can_kvaser.py
@@ -13,6 +13,7 @@ class KvaserConfig(AbstractPythonCanTests):
     """Configuration for Python CAN Transport Interface tests with Kvaser CAN interfaces."""
 
     def setup_class(self):
+        """Configure CAN bus that is managed by Kvaser CAN interfaces."""
         self.can_interface_1 = Bus(interface="kvaser", channel=0, fd=True, receive_own_messages=True)
         self.can_interface_2 = Bus(interface="kvaser", channel=1, fd=True, receive_own_messages=True)