diff --git a/CHANGES/v2.3.txt b/CHANGES/v2.3.txt
index cfdce49fe6f04768ab5f8713637c50bc8eeb9c7c..5d4ca85d5915c0ed8a77e956b19414e3b953bd1c 100644
--- a/CHANGES/v2.3.txt
+++ b/CHANGES/v2.3.txt
@@ -225,7 +225,8 @@ For users:
   Should be irrelevant for the vast majority of cases.
 
 For developers:
-- Doxygen on travis-ci has been updated to 1.8.14
+- Doxygen on travis-ci has been updated to 1.8.14.
+- Embedded astyle updated to 3.1.
 - `make clean` now correctly removes the `src/lib/plumed` executable.