diff --git a/googletest/include/gtest/gtest-death-test.h b/googletest/include/gtest/gtest-death-test.h
index 8add8c0b..59795e37 100644
--- a/googletest/include/gtest/gtest-death-test.h
+++ b/googletest/include/gtest/gtest-death-test.h
@@ -100,6 +100,7 @@ GTEST_API_ bool InDeathTestChild();
 //
 // On the regular expressions used in death tests:
 //
+//   GOOGLETEST_CM0005 DO NOT DELETE
 //   On POSIX-compliant systems (*nix), we use the <regex.h> library,
 //   which uses the POSIX extended regex syntax.
 //
@@ -202,6 +203,7 @@ class GTEST_API_ ExitedWithCode {
 # if !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
 // Tests that an exit code describes an exit due to termination by a
 // given signal.
+// GOOGLETEST_CM0006 DO NOT DELETE
 class GTEST_API_ KilledBySignal {
  public:
   explicit KilledBySignal(int signum);