{
  "name": "Sample Commands Extension",
  "description": "Press Ctrl+Shift+U to send an event (Command+Shift+U on a Mac).",
  "homepage_url": "https://github.com/mdn/webextensions-examples/tree/master/commands",
  "manifest_version": 2,
  "version": "1.0",
  "strict_min_version": "48.0a1",
  "background": {
    "scripts": ["background.js"]
  },
  "applications": {
    "gecko": {
      "id": "commands@mozilla.org"
    }
  },
  "commands": {
    "toggle-feature": {
      "suggested_key": { "default": "Ctrl+Shift+U" },
      "description": "Send a 'toggle-feature' event to the extension"
    }
  }
}

{
  "name": "Sample Commands Extension",
  "description": "Press Ctrl+Shift+U to send an event (Command+Shift+U on a Mac).",
  "homepage_url": "https://github.com/mdn/webextensions-examples/tree/master/commands",
  "manifest_version": 2,
  "version": "1.0",
  "background": {
    "scripts": ["background.js"]
  },
  "applications": {
    "gecko": {
      "id": "commands@mozilla.org",
      "strict_min_version": "48.0a1"
    }
  },
  "commands": {
    "toggle-feature": {
      "suggested_key": { "default": "Ctrl+Shift+U" },
      "description": "Send a 'toggle-feature' event to the extension"
    }
  }
}

Fix strict_min_version key in commands example
Fix strict_min_version key in commands example
