diff --git a/examples/guestfs-testing.pod b/examples/guestfs-testing.pod
index 3f2f0b441..adf5b04d1 100644
--- a/examples/guestfs-testing.pod
+++ b/examples/guestfs-testing.pod
@@ -38,8 +38,13 @@ following command a few times:
 After a few runs, the time should settle down to a few seconds (under
 5 seconds on fast 64 bit hardware).
 
+How to check for hardware virt:
+
 http://virt-tools.org/learning/check-hardware-virt/
 
+If the command above does not work at all, use
+L<libguestfs-test-tool(1)>.
+
 =head2 Run virt-alignment-scan on all your guests.
 
 Run L<virt-alignment-scan(1)> on guests or disk images: