Update README.md

visualization/README.md

@@ -4,8 +4,7 @@ This directory contains the visualization suite for the workshop ""Providing new
 
 ## Requirements
 1. Active internet connection as some of the dependencies are loaded via CDNs
-2. If you use _Firefox_, just open the file index.html in it
-3. If you use a different browser, you need to set up a simple web server; with Python 3, you just need to run "python -m http.server" in this directory
+2. You need to set up a simple web server; with Python 3, you just run "python -m http.server" in this directory
     *  Per default, this should serve the app on port 8000 of localhost (access via 0.0.0.0:8000 or localhost:8000 in your browser)
 
 ## How to use the visualization suite