Update README.md

README.md

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 This repository contains a static web page with some typical performance issues. A exercise for students of my lecture [Rich Media Systems at Stuttgart Media University](https://www.hdm-stuttgart.de/studierende/stundenplan/vorlesungsverzeichnis/vorlesung_detail?vorlid=5213920) is to find these issues and improve the loading experience for the users.
 
 ## Setup
-1. Fork this repository
-2. Enable GitHub Pages in the repository settings, see https://docs.github.com/en/pages/getting-started-with-github-pages/configuring-a-publishing-source-for-your-github-pages-site
-3. Use https://vscode.dev or your favorite code editor to edit files; or simply edit the files via GitHub
+1. open https://vscode.dev/github/jschroeter/hdm-webperformance; you should see Visual Studio Code with all the files
+2. when you commit your changes for the first time you'll get asked if you want to create a fork. Select yes.
+3. Open your new repository in GitHub and enable GitHub Pages in the repository settings, see https://docs.github.com/en/pages/getting-started-with-github-pages/configuring-a-publishing-source-for-your-github-pages-site. Select the `main` branch and root folder.
 
 After a few seconds you should be able to access the page via
 `https://<your-username>.github.io/hdm-webperformance/`
 
-Whenever you push something to the main branch, the page will be published again.
+Whenever you commit & push something to the main branch, the page will be published again. It might take a few seconds.
 
 ## Excercise
 - open the page with a slow internet connection (e.g. network throtteling of browser dev tools) and observe how the page loads and renders
 - run and check web performance analysis with tools like https://web.dev/measure/, https://WebPageTest.org and [Lighthouse](https://developers.google.com/web/tools/lighthouse/)
-- implement improvements
+- implement improvements