docs: for PR #5122

ACKNOWLEDGEMENTS.md

@@ -916,3 +916,4 @@ Further device support has been made with the assistance of users. Please consid
 - [marc-schieferdecker](https://github.com/marc-schieferdecker) for contributing support for Conow CBE2000 Pro solar battery.
 - [tannermeade](https://github.com/tannermeade) for contributing support for Flymoon Cool Mist humidifier.
 - [mathieupotier](https://github.com/mathieupotier) for contributing support for Klarstein MetroBreeze New York and Pure Blizzard air conditioners and Klarstein Bolero ceiling fan with light.
+- [dext0r](https://github.com/dext0r) for contributing support for Stahlmann Smart water leak control system.

DEVICES.md

@@ -1303,6 +1303,7 @@ port and password.
 - Qoto 03 smart water valve / sprinkler controller
 - Qoto 05 smart water valve / sprinkler controller
 - SH07-8 / SH07S-TY smart sprinkler controller (sold as Aquarobo, Leictory LK06 and other brands)
+- Stahlmann Smart water leak control system
 - Sunlary indoor plant watering system
 - Wasserstein AquaPal water monitor
 - Zemismart DP-WBS01 8-zone sprinkler controller (also sold as Benexmart and other brands)