diff -r 9893c859b279 -r 5266495f4aad progs/mandelbrot.scala
--- a/progs/mandelbrot.scala	Thu Nov 10 20:10:20 2022 +0000
+++ b/progs/mandelbrot.scala	Mon Nov 14 12:04:21 2022 +0000
@@ -3,7 +3,7 @@
 //
 //   see https://en.wikipedia.org/wiki/Mandelbrot_set
 // 
-// under scala 2.13.1 needs to be called with
+// under scala 2.13.XX needs to be called with
 // 
 // scala -cp scala-parallel-collections_2.13-0.2.0.jar mandelbrot.scala