syntax error

Author: Ben Taylor

package.json

@@ -63,7 +63,7 @@
     "react": "^16.2.0",
     "react-dev-utils": "^4.2.1",
     "react-dom": "^16.2.0",
-    "react-structured-data": "^0.0.8"
+    "react-structured-data": "^0.0.8",
     "sass-loader": "^6.0.6",
     "style-loader": "0.19.0",
     "sw-precache-webpack-plugin": "0.11.4",