diff --git a/shadow_tune.pl b/shadow_tune.pl
index d32f11a..1a08e2a 100755
--- a/shadow_tune.pl
+++ b/shadow_tune.pl
@@ -287,7 +287,8 @@ sub help_dialogue {
 
 
    #We try to determine the OS by checking what platform the Perl
-   #implementation was compiled for. Linux is the fallback value.
+   #implementation was compiled for.
+   #Only Windows, Mac and Linux are supported.
    die "This platform seems to be unsupported.\n" unless 
    $^O eq 'MSWin32' ||
    $^O eq 'darwin' ||