diff --git a/CHANGELOG.md b/CHANGELOG.md
index 759b016..7d3d894 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- X10D: Add support for generic math interfaces.
 - X10D: Added extension methods for `DateOnly`, for parity with `DateTime` and `DateTimeOffset`.
 - X10D: Added math-related extension methods for `BigInteger`.
 - X10D: Added `Span<T>.Replace(T, T)`.