diff --git a/HISTORY.md b/HISTORY.md
index 6ba087b76..6e979a4a4 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -9,6 +9,9 @@
  * Fix CNE test tolerances
    ([#360](https://github.com/mlpack/ensmallen/pull/360)).
 
+ * Rename `SCD` optimizer, to `CD`
+   ([#379](https://github.com/mlpack/ensmallen/pull/379)).
+
 ### ensmallen 2.19.1: "Eight Ball Deluxe"
 ###### 2023-01-30
  * Avoid deprecation warnings in Armadillo 11.2+