Updated License with a Valid SPDX License (#60)

diff --git a/package.json b/package.json
index 43a24ad..7ff6dc4 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "eslint": "node node_modules/eslint/bin/eslint bin && node node_modules/eslint/bin/eslint tests"
   },
   "author": "Apache Software Foundation",
-  "license": "Apache Version 2.0",
+  "license": "Apache-2.0",
   "dependencies": {
     "cordova-common": "^2.2.5",
     "nopt": "^3.0.6",