Fix typo

xaal.go

@@ -246,7 +246,7 @@ func NewLamp(addr uuid.UUID, zDev *Z2MDevice, expose *Expose) XAALDeviceInterfac
 		dev.AddMethod("set_brightness", dev.setBrightness)
 	}
 	if expose.GetFeature("color_temp") != nil {
-		// All bulb w/ color temp ar bright-controlled
+		// All bulb w/ color temp are dimmer
 		dev.AddAttribute("white_temperature", 0)
 		dev.AddMethod("set_white_temperature", dev.setWhiteTemperature)
 	}