fix: lint path

Author: Scrum

package.json

@@ -16,7 +16,7 @@
   },
   "scripts": {
     "test": "npm run lint && mocha -R dot && npm run cover",
-    "lint": "jshint . && jscs . -v",
+    "lint": "jshint ./index.js && jscs ./index.js -v",
     "cover": "istanbul cover --report text --report html --report lcov node_modules/mocha/bin/_mocha -- -R tap",
     "preversion": "npm test",
     "postversion": "git push && git push --tags"