Corrected Webpack configuration in JavaScript documentation

doc/javascript-target.md

@@ -68,7 +68,7 @@ The steps to create your parsing code are the following:
  
 You are now ready to bundle your parsing code as follows:
  - following webpack specs, create a webpack.config file
- - in the `webpack.config` file, exclude node.js only modules using: `node: { module: "empty", net: "empty", fs: "empty" }`
+ - in the `webpack.config` file, exclude node.js only modules using: `resolve: { fallback: { fs: false } }`
  - from the cmd line, navigate to the directory containing webpack.config and type: webpack
  
 This will produce a single js file containing all your parsing code. Easy to include in your web pages!