diff -r f1d4d582ac29 -r 81377a3eb717 progs/catastrophic.js
--- a/progs/catastrophic.js	Sun Nov 24 16:30:34 2019 +0000
+++ b/progs/catastrophic.js	Thu Nov 28 08:18:57 2019 +0000
@@ -8,11 +8,11 @@
 //
 // call with:
 //
-//  $> node catastrophic.py 20
+//  $> node catastrophic.js 20
 //
 // call with timing as:
 //
-//  $> time node catastrophic.py 25
+//  $> time node catastrophic.js 25
 
 
 const args = process.argv[2]