diff --git a/firmware/controllers/actuators/electronic_throttle.cpp b/firmware/controllers/actuators/electronic_throttle.cpp
index 5b5301a697..80824f9e10 100644
--- a/firmware/controllers/actuators/electronic_throttle.cpp
+++ b/firmware/controllers/actuators/electronic_throttle.cpp
@@ -11,6 +11,7 @@
  *
  * May 2020 two vehicles have driver 500 miles each
  * Sep 2019 two-wire TLE9201 official driving around the block! https://www.youtube.com/watch?v=1vCeICQnbzI
+ *           by the way 9201 does not like getting above 8khz - it starts to get warm
  * May 2019 two-wire TLE7209 now behaves same as three-wire VNH2SP30 "eBay red board" on BOSCH 0280750009
  * Apr 2019 two-wire TLE7209 support added
  * Mar 2019 best results so far achieved with three-wire H-bridges like VNH2SP30 on BOSCH 0280750009