diff --git a/src/kaleidoscope/hardware/ErgoDox.cpp b/src/kaleidoscope/hardware/ErgoDox.cpp
index 89ec936b..4fc99e77 100644
--- a/src/kaleidoscope/hardware/ErgoDox.cpp
+++ b/src/kaleidoscope/hardware/ErgoDox.cpp
@@ -2,6 +2,8 @@
  * Kaleidoscope-Hardware-ErgoDox -- ErgoDox hardware support for Kaleidoscope
  * Copyright (C) 2018  Gergely Nagy
  *
+ * Based on QMK, which is (C) Jack Humbert, Erez Zukerman, et al.
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
diff --git a/src/kaleidoscope/hardware/ErgoDox.h b/src/kaleidoscope/hardware/ErgoDox.h
index 42a65df4..0d0ddcc3 100644
--- a/src/kaleidoscope/hardware/ErgoDox.h
+++ b/src/kaleidoscope/hardware/ErgoDox.h
@@ -2,6 +2,8 @@
  * Kaleidoscope-Hardware-ErgoDox -- ErgoDox hardware support for Kaleidoscope
  * Copyright (C) 2018  Gergely Nagy
  *
+ * Based on QMK, which is (C) Jack Humbert, Erez Zukerman, et al.
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
diff --git a/src/kaleidoscope/hardware/ErgoDoxScanner.cpp b/src/kaleidoscope/hardware/ErgoDoxScanner.cpp
index 5625e781..20d7519f 100644
--- a/src/kaleidoscope/hardware/ErgoDoxScanner.cpp
+++ b/src/kaleidoscope/hardware/ErgoDoxScanner.cpp
@@ -2,6 +2,8 @@
  * Kaleidoscope-Hardware-ErgoDox -- ErgoDox hardware support for Kaleidoscope
  * Copyright (C) 2018  Gergely Nagy
  *
+ * Based on QMK, which is (C) Jack Humbert, Erez Zukerman, et al.
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
diff --git a/src/kaleidoscope/hardware/ErgoDoxScanner.h b/src/kaleidoscope/hardware/ErgoDoxScanner.h
index 8f5eb001..457906ae 100644
--- a/src/kaleidoscope/hardware/ErgoDoxScanner.h
+++ b/src/kaleidoscope/hardware/ErgoDoxScanner.h
@@ -2,6 +2,8 @@
  * Kaleidoscope-Hardware-ErgoDox -- ErgoDox hardware support for Kaleidoscope
  * Copyright (C) 2018  Gergely Nagy
  *
+ * Based on QMK, which is (C) Jack Humbert, Erez Zukerman, et al.
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or