HomeKit support for binary_sensor lock

Where can I request support for binary_sensor lock in HomeKit? Right now they appear as Occupancy Sensors. The sensor is to monitor if the door is locked or unlocked.

According to home-assistant.io/source/_integrations/homekit.markdown at current · home-assistant/home-assistant.io

| binary_sensor | Sensor | Support for co2, door, garage_door, gas, moisture, motion, occupancy, opening, smoke and window device classes. Defaults to the occupancy device class for everything else.