core/homeassistant/components/light/strings.json

{
  "device_automation": {
    "condition_type": {
      "is_on": "{name} is on",
      "is_off": "{name} is off"
    },
    "trigger_type": {
      "turn_on": "{name} turned on",
      "turn_off": "{name} turned off"
    }
  }
}