1 files changed, 1 insertions, 1 deletions
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+++ b/CHANGES
@@ -4,7 +4,7 @@ Pint Changelog
 0.21 (unreleased)
 -----------------
 
-- Nothing changed yet.
+- Simplify registry subclassing and document it.
 
 
 0.20 (2022-10-25)