README: some clarifications

Author: joshtynjala

README.md

@@ -8,13 +8,13 @@ Create a new directory for your project.
 
 Create the necessary files for an OpenFL project, including _project.xml_ and _.hx_ source files inside the project's root directory. Then, follow the remaining steps to setup Webpack and openfl-loader.
 
-Run the following command to create a _package.json_ file:
+In a terminal, run the following command in the root of your project to create a _package.json_ file:
 
 ```sh
 npm init -y
 ```
 
-Run the following command to install the required dependencies:
+Then, run the following command to install the required dependencies:
 
 ```sh
 npm install --save-dev webpack-cli webpack-dev-server openfl-loader
@@ -35,7 +35,8 @@ Create a _webpack.config.js_ file in the root of your project:
 module.exports = {
   entry: "./project.xml",
   output: {
-    filename: "bundle.js",
+    // change xyz to an appropriate name for your project
+    filename: "xyz.bundle.js",
   },
   module: {
     rules: [
@@ -54,6 +55,27 @@ module.exports = {
 
 Create a _public/index.html_ file. Look inside _samples/basic_ sample for an example that's easy to copy with minor modifications.
 
+In particular, you need to change the _basic.bundle.js_ path to the same output file name used in _webpack.config.js_:
+
+```html
+<!--
+  This bundle file name is defined in webpack.config.js
+-->
+<script src="./basic.bundle.js"></script>
+```
+
+And you need to change the `lime.embed()` call to pass the same app file name used in _project.xml_.
+
+```js
+/*
+  the first argument passed to lime.embed() is the
+  <app file="******"/> value from project.xml
+*/
+lime.embed("WebpackBasicSample", "openfl-content", 0, 0, {
+  parameters: {},
+});
+```
+
 To start a local development server, run the following command. Then, open _http://localhost:8080/_ in a web browser.
 
 ```sh