diff --git a/CHANGELOG.md b/CHANGELOG.md
index dad1692a2..b5fcf2f94 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,7 @@ All notable changes to this project will be documented in this file.
 - Crash recorder ``Status 12`` for ESP32/ESP32S2/ESP32C3, supporting Esp-idf 3.3/4.4
 - Support for ESP32/ESP32S2 DAC gpio via Berry
 - Berry support for Serial
-- Support for Sensirion SCD40/SCD41 CO2 sensor
+- Support for Sensirion SCD40/SCD41 CO2 sensor (#13139)
 - Support for BL0939 energy monitor as used in ESP32 based Sonoff Dual R3 V2 Pow (#13195)
 
 ### Changed
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index c0c887c15..6909a665d 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -118,6 +118,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 - Support for IEM3155 Wattmeter [#12940](https://github.com/arendst/Tasmota/issues/12940)
 - Support for Hydreon RG-15 Solid State Rain sensor [#12974](https://github.com/arendst/Tasmota/issues/12974)
 - Support for IKEA VINDRIKTNING particle concentration sensor [#12976](https://github.com/arendst/Tasmota/issues/12976)
+- Support for Sensirion SCD40/SCD41 CO2 sensor [#13139](https://github.com/arendst/Tasmota/issues/13139)
 - Support for BL0939 energy monitor as used in ESP32 based Sonoff Dual R3 V2 Pow [#13195](https://github.com/arendst/Tasmota/issues/13195)
 - Initial support for Tasmota Mesh (TasMesh) providing node/broker communication using ESP-NOW [#11939](https://github.com/arendst/Tasmota/issues/11939)
 - Initial support for Wi-Fi extender [#12784](https://github.com/arendst/Tasmota/issues/12784)