diff --git a/Scripts/developer_scripts/qpl-to-gplv3.perl b/Scripts/developer_scripts/qpl-to-gplv3.perl
index 25aee6d28e5..e918188c0e9 100755
--- a/Scripts/developer_scripts/qpl-to-gplv3.perl
+++ b/Scripts/developer_scripts/qpl-to-gplv3.perl
@@ -1,5 +1,8 @@
 #!/usr/bin/env perl
 
+## Run that script on a file (files one by one) that is under QPL, to turn
+## its license into GPLv3+.
+
 use warnings;
 
 sub print_gplv3