diff --git a/docs/releasenotes.rst b/docs/releasenotes.rst
index d5b738fb60826a13e465966baa8383fe1b35a227..da0bd1af4f28f5efbc7411f39968e174cdc3289e 100644
--- a/docs/releasenotes.rst
+++ b/docs/releasenotes.rst
@@ -86,6 +86,9 @@ Debian 12 Bookworm. Some minor improvements and fixes.
 
   * Environment indicator can now be collapsed by clicking on the
     arrows on the left side.
+  * Added parameter ``http_header_overrides`` which can be used to
+    set/override request's HTTP headers before passing it on to the
+    PHP application.
 
 * ``mail_server`` role