diff --git a/CHANGES b/CHANGES
index cdff7991..e34fd1c7 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,7 @@
 ------
 
 * Added support for Python 3.12
+* Fixed `matchers.header_matcher` not failing when a matched header is missing from the request. See #702
 
 
 0.24.1