diff --git a/CHANGES.md b/CHANGES.md
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--- a/CHANGES.md
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@@ -1,6 +1,7 @@
 # resync change log
 
 v2.0.1 ???
+  * Route all URI and file requests through `resync/url_or_file_open.py` so that settings such as authentication headers can be consistently applied
 
 v2.0.0 2020-12-16
   * Supports ResourceSync v1.1 ANSI/NISO Z39.99-2017 <http://www.openarchives.org/rs/1.1/toc> as default