diff --git a/CHANGELOG.md b/CHANGELOG.md
index 904a830d4..17870012d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,8 @@ All notable changes to this project will be documented in this file.
 
 ## [12.1.1.1]
 ### Added
-- Add support for SGP40 gas and air quality sensor (#16341)
+- Support for SGP40 gas and air quality sensor (#16341)
+- Support for Modbus writing using ModbusBridge by JeroenSt (#16351)
 
 ### Changed
 - TasmotaModbus library from v3.5.0 to v3.6.0 (#16351)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 986415ce2..8eefd073d 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -110,7 +110,8 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 ## Changelog v12.1.1.1
 ### Added
 - Command ``StatusRetain`` [#11109](https://github.com/arendst/Tasmota/issues/11109)
-- Add support for SGP40 gas and air quality sensor [#16341](https://github.com/arendst/Tasmota/issues/16341)
+- Support for SGP40 gas and air quality sensor [#16341](https://github.com/arendst/Tasmota/issues/16341)
+- Support for Modbus writing using ModbusBridge by JeroenSt [#16351](https://github.com/arendst/Tasmota/issues/16351)
 - Zigbee device plugin mechanism with commands ``ZbLoad``, ``ZbUnload`` and ``ZbLoadDump`` [#16252](https://github.com/arendst/Tasmota/issues/16252)
 - ESP32-S3 support for internal temperature sensor