docs: for PR #4133

ACKNOWLEDGEMENTS.md

@@ -1164,3 +1164,4 @@ Further device support has been made with the assistance of users. Please consid
 - [adrienkohlbecker](https://github.com/adrienkohlbecker) for assisting with support for Venta AH510 Original Connect humidifier.
 - [m4rt0s](https://github.com/m4rt0s) for contributing support for Sime EcoMaxi VB200 heat pump water heater.
 - [chumbazoid](https://github.com/chumbazoid) for assisting with support for Happy Llama Tech SoCool pet feeder.
+- [HW-YUN](https://github.com/HW-YUN) for contributing support for Smartmi Air Circulating fan.

DEVICES.md

@@ -358,6 +358,7 @@
 - Skyfan DC fan
 - Skyfan DC fan with light
 - Smart Mist3 TX-1602MF (ZJ-1522A-WiFi)
+- Smartmi Air Circulating fan
 - Stirling FS1-40DC pedestal fan
 - Sulion Crixus L ceiling fan with light
 - Temple and Webster Alina ceiling fan