Add translation bug fixes into CHANGELOG.rst

CHANGELOG.rst

@@ -6,6 +6,14 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
+Unreleased
+----------
+
+Fixed
+~~~~~
+
+* Translate table columns and filter button on person overview page.
+
 `2.0rc6`_ - 2021-08-25
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