diff --git a/firmware/CHANGELOG.md b/firmware/CHANGELOG.md
index 16046d7cde..d9283dfc8e 100644
--- a/firmware/CHANGELOG.md
+++ b/firmware/CHANGELOG.md
@@ -27,6 +27,9 @@ All notable user-facing or behavior-altering changes will be documented in this
 
 ## XXX 202X Release
 
+### Breaking Changes
+ - GM x24 is a well defined trigger needs hard-coded tdcPosition #2054
+
 ### Added
  - DAIHATSU 3/4 cylinder trigger https://rusefi.com/images/triggers/trigger_6.png
  - Ford ST170 VVT cam trigger https://rusefi.com/images/triggers/trigger_42.png