diff --git a/testing/README.txt b/testing/README.txt
index a7f7c4ffe..108ccb20a 100644
--- a/testing/README.txt
+++ b/testing/README.txt
@@ -2,7 +2,13 @@ apps/testing README file
 ========================
 
   The apps/testing directory is used to build NuttX-specific tests and to
-  include external testing frameworks
+  include external testing frameworks.
+
+  There is overlap between what you will find in apps/examples and apps/testing
+  in the sense that there are some of the tests in apps/examples as well.
+  Those tests, however, can also be used to illustrate usage of a NuttX
+  feature.  Most of the tests in apps/testing, on the other hand, are pure
+  tests with little value as usage examples.
 
 testing/cxxtest
 ===============