Add changelog for a611f60dc73d9df64fd8ebcec1daf9f7827e29db.
diff --git a/CHANGES b/CHANGES
index 1ff0231..a4a479f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,9 @@
 Development version
 -------------------
 
+- Issue #259, pull request #260: `six.add_metaclass` now preserves
+  `__qualname__` from the original class.
+
 - Pull request #204: Add `six.ensure_binary`, `six.ensure_text`, and
   `six.ensure_str`.