Bad package.json - Trailing comma

package.json

{
  "name": "fullstackreduxtutorialserver",
  "version": "0.0.1",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "mocha --compilers js:babel-core/register --recursive",
    "test:watch": "npm run test -- --watch"
  },
  "babel": {
    "presets": ["es2015"],
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/SIRHAMY/FullStackReduxTutorial.git"
  },
  "author": "",
  "license": "ISC",
  "bugs": {
    "url": "https://github.com/SIRHAMY/FullStackReduxTutorial/issues"
  },
  "homepage": "https://github.com/SIRHAMY/FullStackReduxTutorial#readme",
  "devDependencies": {
    "babel-cli": "^6.5.1",
    "babel-core": "^6.5.2",
    "babel-preset-es2015": "^6.5.0",
    "chai": "^3.5.0",
    "mocha": "^2.4.5"
  }
}