diff --git a/CHANGES.rst b/CHANGES.rst
index 7486a056..c9d3bc17 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -12,6 +12,8 @@
 
 - Fix newly required units from rand [#256]
 
+- Fix the initialization of empty DataModels and clean up the datamodel core. [#251]
+
 0.17.0 (2023-07-28)
 ===================