diff --git a/_future/unittest/testing.h b/_future/unittest/testing.h
index d7a566d1..e9aee7ee 100644
--- a/_future/unittest/testing.h
+++ b/_future/unittest/testing.h
@@ -1,7 +1,8 @@
 // 27 february 2018
 
 // TODO
-// - https://blogs.msdn.microsoft.com/oldnewthing/20181107-00/?p=100155 https://blogs.msdn.microsoft.com/oldnewthing/20181108-00/?p=100165
+// - https://blogs.msdn.microsoft.com/oldnewthing/20181107-00/?p=100155 https://blogs.msdn.microsoft.com/oldnewthing/20181108-00/?p=100165 https://blogs.msdn.microsoft.com/oldnewthing/20181109-00/?p=100175
+// - also in the above: note the unspecified order of data in the sub-segments...
 
 #ifndef testingprivIncludeGuard_testing_h
 #define testingprivIncludeGuard_testing_h