ha-core/homeassistant/components/button/strings.json

{
  "title": "Button",
  "device_automation": {
    "trigger_type": {
      "pressed": "{entity_name} has been pressed"
    },
    "action_type": {
      "press": "Press {entity_name} button"
    }
  },
  "entity_component": {
    "_": {
      "name": "[%key:component::button::title%]"
    },
    "identify": {
      "name": "Identify"
    },
    "restart": {
      "name": "[%key:common::action::restart%]"
    },
    "update": {
      "name": "Update"
    }
  },
  "services": {
    "press": {
      "name": "Press",
      "description": "Press the button entity."
    }
  }
}