diff --git a/src/one-body-sample.org b/src/one-body-sample.org
index b9847335e93dd028ec6941357fc810d06c8f9597..529a7820b1ce8f9632ffed1fe984da9747cc5f98 100644
--- a/src/one-body-sample.org
+++ b/src/one-body-sample.org
@@ -454,6 +454,8 @@
 #+end_src
 * Skeleton
 #+begin_src c++ :tangle one-body-sample.cc :noweb yes
+  // GENERATED -- DO NOT MODIFY
+  
   #ifdef HAVE_CONFIG_H
   #include "config.h"
   #endif