core/homeassistant/components/cover/strings.json

{
    "device_automation": {
        "condition_type": {
            "is_open": "{entity_name} is open",
            "is_closed": "{entity_name} is closed",
            "is_opening": "{entity_name} is opening",
            "is_closing": "{entity_name} is closing"
        }
    }
}