diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46c7d38963..c499d12dc4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ## [4.20.0 UNRELEASED](https://xenbits.xenproject.org/gitweb/?p=xen.git;a=shortlog;h=staging) - TBD
 
 ### Changed
+ - Fixed blkif protocol specification for sector sizes different than 512b.
  - On x86:
    - Prefer ACPI reboot over UEFI ResetSystem() run time service call.