docs: for PR #4460

ACKNOWLEDGEMENTS.md

@@ -1244,3 +1244,4 @@ Further device support has been made with the assistance of users. Please consid
 - [Stevehans](https://github.com/Stevehans) for contributing support for TX-E gas monitor.
 - [er2er](https://github.com/er2er) for contributing support for Klarstein WonderSky IR heater.
 - [evanjd](https://github.com/evanjd) for contributing support for Breville Smart Air Viral Protect Night Glow air purifier.
+- [trixing](https://github.com/trixing) for contributing support for PV28-AW CO2 monitor.

DEVICES.md

@@ -1199,6 +1199,7 @@ port and password.
 - Prodotec PT02 air quality monitor
 - Protmex PT-19DW alarm clock with temperature and humidity monitor
 - PTH9BW air quality monitor
+- PV28-AW 3-in-1 CO2 monitor
 - PV28-CW 8 in 1 air quality monitor
 - Raddy PT-5 pool thermometer
 - RainPoint TTV103FRF water timer