diff --git a/Marlin/nozzle.h b/Marlin/nozzle.h
index f98bc40dba6857acfeb4e0c006d572672fbeb086..6b3b4a1a233f48a90204f30cf887a271f34d89f6 100644
--- a/Marlin/nozzle.h
+++ b/Marlin/nozzle.h
@@ -1,4 +1,4 @@
-/*
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
diff --git a/Marlin/printcounter.cpp b/Marlin/printcounter.cpp
index b91b850b9d079ea70edf03958a145cc4e11e3ba2..469a7332d752ca364915afb05885f89e3900ab55 100644
--- a/Marlin/printcounter.cpp
+++ b/Marlin/printcounter.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
diff --git a/Marlin/printcounter.h b/Marlin/printcounter.h
index 0e9d06f45e49d9dabeabab5d15db80a06e924297..ffa58080064287027f316be36bcf3224e20faf5e 100644
--- a/Marlin/printcounter.h
+++ b/Marlin/printcounter.h
@@ -1,4 +1,4 @@
-/*
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
diff --git a/Marlin/stopwatch.cpp b/Marlin/stopwatch.cpp
index ef701a11b1601128459da56de79a61ac5cbb8656..5958000f722d6eaa83e9615e4dc21e1c2df6342f 100644
--- a/Marlin/stopwatch.cpp
+++ b/Marlin/stopwatch.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
diff --git a/Marlin/stopwatch.h b/Marlin/stopwatch.h
index 709482884a2fb88a552eb2727754b63308c84e2f..735983891cfb6d766e28ffa02bb7f162c024251b 100644
--- a/Marlin/stopwatch.h
+++ b/Marlin/stopwatch.h
@@ -1,4 +1,4 @@
-/*
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
diff --git a/Marlin/twibus.cpp b/Marlin/twibus.cpp
index b621be9524336c7fced09a46ac09fb127cd09d57..c59e79dc9fb8decbe3483808a8603a7ba31fea5e 100644
--- a/Marlin/twibus.cpp
+++ b/Marlin/twibus.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
diff --git a/Marlin/twibus.h b/Marlin/twibus.h
index dd1cc1267352ff15b833e05231be5fb019f9a8ce..3b606571cf07e885bc916185af9c248877b5d375 100644
--- a/Marlin/twibus.h
+++ b/Marlin/twibus.h
@@ -1,4 +1,4 @@
-/*
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *