diff --git a/run_names.rb b/run_names.rb
index b6808d7..17c38c5 100644
--- a/run_names.rb
+++ b/run_names.rb
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# Can run on any computer with ruby installed, with "ruby run_names.rb"
 
 adults = [ 'Allen', 'Vickie', 'Matt', 'Lisa', 'James', 'Pich', 'Kristen', 'Jason', 'Markie' ]
 kids = [ 'Malachi', 'Isaiah', 'Samara', 'Ethan', 'Kennedi', 'Kasen', 'Griffin', 'Millie', 'Otto' ]