diff --git a/selfdrive/car/tests/test_car_params.py b/selfdrive/car/tests/test_car_params.py
index 35d0dd642b..da28cc2e3e 100755
--- a/selfdrive/car/tests/test_car_params.py
+++ b/selfdrive/car/tests/test_car_params.py
@@ -39,7 +39,7 @@ class TestCarParam(unittest.TestCase):
       radar_interface = RadarInterface(car_params)
       assert radar_interface
 
-      # Run car interface once
+      # Run radar interface once
       radar_interface.update([])
       if hasattr(radar_interface, '_update') and hasattr(radar_interface, 'trigger_msg'):
         radar_interface._update([radar_interface.trigger_msg])