--- Linux-Clone/Clone.pm	2022/09/03 23:47:02	1.6
+++ Linux-Clone/Clone.pm	2022/09/03 23:48:17	1.7
@@ -195,6 +195,11 @@
 
 1;
 
+=head1 SEE ALSO
+
+L<IO::AIO> has some related functions, such as C<pidfd_send_signal>, and
+some unrelated fucntions that might be useful.
+
 =head1 AUTHOR
 
  Marc Lehmann <schmorp@schmorp.de>