docs: for PR #4342

ACKNOWLEDGEMENTS.md

@@ -1215,7 +1215,7 @@ Further device support has been made with the assistance of users. Please consid
 - [BigGeorgeTx](https://github.com/BigGeorgeTx) for contributing improvements to Feit dimmer.
 - [pawlak2](https://github.com/pawlak2) for assisting with support for TH02 Z3-P3Z temperature and humidity sensor.
 - [caretakermk-droid](https://github.com/caretakermk-droid) for assisting with support for Ourtop ATMS100133 energy meter.
-- [MrJinxed55](https://github.com/MrJinxed55) for improvements to Zigbee ZN373186 temperature and humidity sensor.
+- [MrJinxed55](https://github.com/MrJinxed55) for contributing improvements to Zigbee ZN373186 temperature and humidity sensor, and support for M604 quad wall switch.
 - [malrogers7](https://github.com/malrogers7) for contributing support for Meaco Clean air purifier.
 - [exileed](https://github.com/exileed) for contributing support for Realme TechLife vacuum cleaner.
 - [verwilst](https://github.com/verwilst) for contributing improvements to Fairland MrPure salt chlorinator.

DEVICES.md

@@ -694,6 +694,7 @@ the best option.
 - Logicom Strippy 4 way power strip with USB
 - Loratap RR400W-V2 relay switch
 - Loratap RR620W-JL dual relay switch
+- M604 quad wall switch
 - Makegood double power point (sold under AusElectronicsDirect, Cleverlife, Kogan, Ozsmartthings and other brands)
 - MakeGood double switch with timers and power monitoring on whole device
 - Minoston 6 preset timer switch