"maxTemperature": XX, not working properly

Hi, 
"maxTemperature": XX, not working properly

I have it set to 76, but on the home App the max is displayed as 75 :(

![IMG_1172](https://user-images.githubusercontent.com/45726491/123849131-73b12900-d8e6-11eb-80ca-6cefc4d828ff.jpg)


Heres is my config for reference:
{
                    "name": "Living Room Cooler",
                    "type": "heater-cooler",
                    "host": "192.168.68.100",
                    "minTemperature": 68,
                    "maxTemperature": 76,
                    "coolingThresholdTemperature": 72,
                    "heatingThresholdTemperature": 76,
                    "temperatureUnits": "F",
                    "defaultNowTemperature": 74,
                   "turnOnWhenOff": true,
                    "debug": true,
                    "data": {
                        "cool": {
                            "on": "on_HEX_CODE",
                            "off": "off_HEX_CODE",
                            "swingToggle": "swing_HEX_CODE",
                            "temperatureCodes": {
                                "68": "68_HEX_CODE",
                                "69": "69_HEX_CODE",
                                "70": "70_HEX_CODE",
                                "71": "71_HEX_CODE",
                                "72": "72_HEX_CODE",
                                "73": "73_HEX_CODE",
                                "74": "74_HEX_CODE",
                                "75": "75_HEX_CODE",
                                "76": "76_HEX_CODE"
                            }
                        }
                    }
                },