diff --git a/firmware/CHANGELOG.md b/firmware/CHANGELOG.md
index 010680a873..c0970ba357 100644
--- a/firmware/CHANGELOG.md
+++ b/firmware/CHANGELOG.md
@@ -29,6 +29,7 @@ All notable user-facing or behavior-altering changes will be documented in this
  - Mitsubishi 36-2-1-1 trigger wheel
  - Mitsubishi 3A92 VVT trigger
  - Toyota 4-1 VVT trigger
+ - use extra RAM for lua if your microRusEFI unit has stm32f42x microcontroller 
 
 ## March 2022 Release - "Day 22"