diff --git a/CHANGES.md b/CHANGES.md
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--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,7 @@
 ## v6.0.0~beta2
 
 - cohttp-eio: Don't blow up Server on client disconnections. (mefyl #1011)
+- cohttp-eio: Match body encoding with headers. (mefyl #1012)
 
 ## v6.0.0~beta1 (2023-10-27)
 - cohttp-eio: move new Cohttp.{Client,Server} modules under Cohttp.Generic (mseri #1003)