diff -Naur old/script/virtdetect new/script/virtdetect
--- old/script/virtdetect	2010-02-25 08:43:50.000000000 +1100
+++ new/script/virtdetect	2014-05-11 18:54:01.916440022 +1000
@@ -1,4 +1,7 @@
 #!/usr/bin/perl -w
+
+eval 'exec /usr/bin/perl -w -S $0 ${1+"$@"}'
+    if 0; # not running under some shell
 use strict;
 use warnings;
 use Getopt::Long;
@@ -51,17 +54,17 @@
 
 =over 4
 
-=item 0
+=item *
 
-No virtualization detected
+0 - No virtualization detected
 
-=item 1
+=item *
 
-Virtualization detected
+1 - Virtualization detected
 
-=item 2
+=item *
 
-More than one kind of virtualization detected
+2 - More than one kind of virtualization detected
 
 =back