--- a/upload.pl	Fri Nov 20 17:57:15 2015 +0100
+++ b/upload.pl	Fri Nov 20 17:57:22 2015 +0100
@@ -245,7 +245,7 @@
         $_ = sprintf "%.1f" => $_ / 1024;
         shift @units;
     }
-    croak "filesize is too big (can't convert to human readable number"
+    croak "filesize is too big (can't convert to human readable number)"
       if !@units;
     return "$_$units[0]";
 }