diff --git a/examples/guestfs-testing.pod b/examples/guestfs-testing.pod
index 9bab630cb..20160dd88 100644
--- a/examples/guestfs-testing.pod
+++ b/examples/guestfs-testing.pod
@@ -27,6 +27,20 @@ https://www.redhat.com/mailman/listinfo/libguestfs
 
 =head1 TESTS
 
+=head2 Run libguestfs-test-tool
+
+Run:
+
+ libguestfs-test-tool
+
+This command does a very simple, non-destructive test that basic
+libguestfs is functioning.  You don't need to run it as root.
+
+If it I<doesn't> print C<===== TEST FINISHED OK =====>, report it as a
+bug.  It is very important that you include the B<complete, unedited>
+output of C<libguestfs-test-tool> in your bug report.  See the
+L</BUGS> section at the end of this page.
+
 =head2 Check KVM acceleration is being used.
 
 If your host has hardware virt acceleration, then with a hot cache