diff --git a/CHANGELOG.md b/CHANGELOG.md
index da97589a3..48876c95f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 - Compiling stuck in the browser for recursive zkprograms https://github.com/o1-labs/o1js/pull/1906
 
+- Error message in `rangeCheck16` gadget https://github.com/o1-labs/o1js/pull/1920
+
 ## [2.1.0](https://github.com/o1-labs/o1js/compare/b04520d...e1bac02) - 2024-11-13
 
 ### Added