diff --git a/doc/changes/changes_2.2.0.dm b/doc/changes/changes_2.2.0.md
similarity index 64%
rename from doc/changes/changes_2.2.0.dm
rename to doc/changes/changes_2.2.0.md
index eaac5f33..c1524e49 100644
--- a/doc/changes/changes_2.2.0.dm
+++ b/doc/changes/changes_2.2.0.md
@@ -20,7 +20,7 @@ n/a
 
 ### Refactorings
 
-n/a
+- #273: refactored unit tests for token_classification_udf to use StandAloneUDFMock, made params files more maintainable
 
 ### Security