diff --git a/config_align.h b/config_align.h
index 71742dc0..a0e76088 100644
--- a/config_align.h
+++ b/config_align.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_base.h b/config_base.h
index d5876851..0274fff9 100644
--- a/config_base.h
+++ b/config_base.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_cpu.h b/config_cpu.h
index cc0210e0..f4481299 100644
--- a/config_cpu.h
+++ b/config_cpu.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// Sourceforge
/// Pre-defined Compiler Macros
diff --git a/config_cxx.h b/config_cxx.h
index 6ce8610a..8c8f565f 100644
--- a/config_cxx.h
+++ b/config_cxx.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_dll.h b/config_dll.h
index 09763ad4..ab210c28 100644
--- a/config_dll.h
+++ b/config_dll.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_int.h b/config_int.h
index 03fd3545..9045c5f0 100644
--- a/config_int.h
+++ b/config_int.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_misc.h b/config_misc.h
index c06b39d3..7f2dc92d 100644
--- a/config_misc.h
+++ b/config_misc.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_ns.h b/config_ns.h
index fe325987..f2548030 100644
--- a/config_ns.h
+++ b/config_ns.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_os.h b/config_os.h
index 56802dc2..d829e8a2 100644
--- a/config_os.h
+++ b/config_os.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3
diff --git a/config_ver.h b/config_ver.h
index 16ac9788..6a93a09b 100644
--- a/config_ver.h
+++ b/config_ver.h
@@ -7,7 +7,8 @@
/// \details config.h was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include config.h while allowing Autoconf
-/// to write a new config_base.h using its feature tests.
+/// to write new config_base.h and new config_cxx.h using
+/// its feature tests.
/// \sa Issue 835
/// \since Crypto++ 8.3