diff --git a/selfdrive/car/car_helpers.py b/selfdrive/car/car_helpers.py
index d60bcb8bf8..b7e6bf99e7 100644
--- a/selfdrive/car/car_helpers.py
+++ b/selfdrive/car/car_helpers.py
@@ -117,7 +117,7 @@ def fingerprint(logcan, sendcan, num_pandas):
   params = Params()
   params.put("CarVin", vin)
 
-  # set to ELM327 for potential ECU knockouts
+  # disable OBD multiplexing for potential ECU knockouts
   set_obd_multiplexing(params, False)
   params.put_bool("FirmwareQueryDone", True)