diff --git a/02 Amazing/ruby/README.md b/02 Amazing/ruby/README.md
index fb32811e..8bf7896b 100644
--- a/02 Amazing/ruby/README.md	
+++ b/02 Amazing/ruby/README.md	
@@ -1,3 +1,9 @@
 Original source downloaded [from Vintage Basic](http://www.vintage-basic.net/games.html)
 
 Conversion to [Ruby](https://www.ruby-lang.org/en/)
+
+Converted to Ruby (with tons of inspiration from the Python version) by @marcheiligers
+
+Run `ruby amazing.rb`.
+
+Run `DEBUG=1 ruby amazing.ruby` to see how it works (requires at least Ruby 2.7).