diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3acf1bbb4e..a4ab2ba877 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,7 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Validation ensures that resource flags (THERM, HYDRO, LDS etc) are self-consistent (#513).
 - Maintenance formulation for thermal-commit plants (#556).
 - Add new tests for GenX: three-zone, multi-stage, electrolyzer, VRE+storage, 
-  piecewise_fuel+CO2, TDR, and Method of Morris (#563).
+  piecewise_fuel+CO2, and TDR (#563 and #578).
 
 
 ### Fixed