diff --git a/Marlin/nozzle.h b/Marlin/nozzle.h
index f98bc40db..6b3b4a1a2 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 b91b850b9..469a7332d 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 0e9d06f45..ffa580800 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 ef701a11b..5958000f7 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 709482884..735983891 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 b621be952..c59e79dc9 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 dd1cc1267..3b606571c 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]
  *