Docs for last two devices added.

PR #757, #753

ACKNOWLEDGEMENTS.md

@@ -266,10 +266,11 @@ Further device support has been made with the assistance of users.  Please consi
 - [nyok92](https://github.com/nyok92) for assisting with support for Duux Blizzard air conditioners.
 - [mattbruman](https://github.com/mattbruman) for assisting with support for Atomi ceiling fans.
 - [dh0llyw00d](https://github.com/dh0llyw00d) for assisting with support for Skyfan DC fans with light.
-- [syepes](https://github.com/syepes) for contributing support for Klarstein DryFy Connect, which was merged into Shinco 30D config.
+- [syepes](https://github.com/syepes) for contributing support for Klarstein DryFy Connect, which was merged into Shinco 30D config, and ZN-2C09 air quality monitor.
 - [LesTR](https://github.com/LesTR) for early assistance with the subdevice support, and contribution of test improvements for subdevices.
 - [JonF-49](https://github.com/JonF-49) for contributing support for RGBW lightbulbs, and improvements to color light entities that lack color temperature control.
 - [charliesjc](https://github.com/charliesjc) for contributing support for CBI Astute smart controller breaker switches.
 - [stijnb1234](https://github.com/stijnb1234) for assisting with support for CCT lightbulbs.
 - [YodaDaCoda](https://github.com/YodaDaCoda) for contributing support for Kogan LX10 vacuum cleaners.
 - [itn3rd77](https://github.com/itn3rd77) for contributing support for Stadler Form Karl/Karl Big humidifiers.
+- [Mikey887](https://github.com/Mikey887) for contributing support for Catit Pixi Smart feeder.

DEVICES.md

@@ -368,7 +368,7 @@ of device.
 - Brennenstuhl WFD3050P PIR motion activated CCT spotlight
 - Bresser smart 7-in-1 weather station
 - Catit Pixi smart fountain
-- Catit pet feeder (2.2kg dispenser and 6 meal versions)
+- Catit pet feeder (Pixi 2.2kg dispenser and 6 meal versions, and another non-Pixi branded single dispenser)
 - Emax EM3378 Weather Station (selling as Hiper P1 and other rebrands)
 - Inkbird PTH-9CW air quality monitor
 - KKMoon 7in1 air quality monitor
@@ -384,6 +384,7 @@ of device.
 - SH07-8 smart sprinkler controller
 - Universal remote control (supports sensors only)
 - Yieryi water quality monitor (also matches unbranded PH-W3988 device)
+- ZN-2C09 9-in-1 air quality monitor
 - ZX-G30 alarm system (not as an alarm_control_panel, as individual inputs and sensors)
 - ZY-M100-WiFi mmWave human presence sensor
 

custom_components/tuya_local/devices/README.md

@@ -406,7 +406,7 @@ This is used by some entities when an argument is not provided to a service call
 but the attribute is required to be set to function correctly.
 An example is the siren entity which uses the tone attribute to turn on and
 off the siren, but when turn_on is called without any argument, it needs to
-pick a defaulttone to use to turn on the siren.
+pick a default tone to use to turn on the siren.
 
 ### `constraint`