Docs for PR #1421

ACKNOWLEDGEMENTS.md

@@ -648,4 +648,5 @@ Further device support has been made with the assistance of users. Please consid
 - [deguchi-m](https://github.com/deguchi-m) for assisting with support for Dual CT clamp bidirectional energy meters.
 - [sciux2](https://github.com/sciux2) for assisting with support for RSE TY-WFH gate controller.
 - [schmurgel-tg](https://github.com/schmurgel-tg) for assisting with support for Create ceiling fan with light.
-- [inode-](https://github.com/inode-) for assisting with support for O'TU R1O1 fingerprint door lock
+- [inode-](https://github.com/inode-) for assisting with support for O'TU R1O1 fingerprint door lock.
+- [madpeteguy](https://github.com/madpeteguy) for contributing support for Thermoval TVT40 thermostat.

DEVICES.md

@@ -188,6 +188,7 @@
 - Saswell C16 thermostat _(rebadged as Warmme, Klima and others)_
 - Saswell T29UTW thermostat
 - T5E-WF thermostat
+- Thermoval TVT40 thermostat
 
 ### Fans