diff --git a/doc/releases/release-notes-3.5.rst b/doc/releases/release-notes-3.5.rst
index d22978d8a84..82d2698849b 100644
--- a/doc/releases/release-notes-3.5.rst
+++ b/doc/releases/release-notes-3.5.rst
@@ -344,6 +344,11 @@ MCUboot
     with downgrade  prevention enabled. This option is automatically selected for
     DirectXIP mode and is available for both swap modes.
 
+  * Added :kconfig:option:`CONFIG_MCUBOOT_BOOTLOADER_MODE_OVERWRITE_ONLY`
+    that allows to inform application that the on-board MCUboot will overwrite
+    the primary slot with secondary slot contents, without saving the original
+    image in primary slot.
+
 Storage
 *******