diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 3d9b04bc64f..9c18e61801d 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1503,11 +1503,11 @@ AC_LINK_IFELSE(
 ],
 [
   AC_MSG_RESULT([yes])
-  AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [Can use __crashreporter_info__])
+  AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
 ],
 [
   AC_MSG_RESULT([no])
-  AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [Define if __crashreporter_info__ exists.])
+  AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
 ])
 
 dnl===-----------------------------------------------------------------------===
diff --git a/include/llvm/Config/config.h.cmake b/include/llvm/Config/config.h.cmake
index ff765ccd373..94870834313 100644
--- a/include/llvm/Config/config.h.cmake
+++ b/include/llvm/Config/config.h.cmake
@@ -72,7 +72,7 @@
 /* Define to 1 if you have the <CrashReporterClient.h> header file. */
 #undef HAVE_CRASHREPORTERCLIENT_H
 
-/* Define if __crashreporter_info__ exists. */
+/* can use __crashreporter_info__ */
 #undef HAVE_CRASHREPORTER_INFO
 
 /* Define to 1 if you have the <ctype.h> header file. */
diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in
index a4f8af4db02..5fb4c8183b9 100644
--- a/include/llvm/Config/config.h.in
+++ b/include/llvm/Config/config.h.in
@@ -72,7 +72,7 @@
 /* Define to 1 if you have the <CrashReporterClient.h> header file. */
 #undef HAVE_CRASHREPORTERCLIENT_H
 
-/* Define if __crashreporter_info__ exists. */
+/* can use __crashreporter_info__ */
 #undef HAVE_CRASHREPORTER_INFO
 
 /* Define to 1 if you have the <ctype.h> header file. */