diff --git a/dist/README.md b/dist/README.md
index 8e3f14ed..19386ecf 100644
--- a/dist/README.md
+++ b/dist/README.md
@@ -90,9 +90,7 @@ module.exports = {
   plugins: [
     // ...
     new webpack.DefinePlugin({
-      'process.env': {
-        NODE_ENV: JSON.stringify('production')
-      }
+      'process.env.NODE_ENV': JSON.stringify('production')
     })
   ]
 }