diff --git a/app/dts/behaviors/bluetooth.dtsi b/app/dts/behaviors/bluetooth.dtsi
index ea09f4a2..9df974b4 100644
--- a/app/dts/behaviors/bluetooth.dtsi
+++ b/app/dts/behaviors/bluetooth.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
 	behaviors {
 		bt: behavior_bluetooth {
diff --git a/app/dts/behaviors/ext_power.dtsi b/app/dts/behaviors/ext_power.dtsi
index 92f00352..471e9fa2 100644
--- a/app/dts/behaviors/ext_power.dtsi
+++ b/app/dts/behaviors/ext_power.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
 	behaviors {
 		ext_power: behavior_ext_power {
diff --git a/app/dts/behaviors/key_press.dtsi b/app/dts/behaviors/key_press.dtsi
index e0668327..98064f69 100644
--- a/app/dts/behaviors/key_press.dtsi
+++ b/app/dts/behaviors/key_press.dtsi
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 / {
 	behaviors {
diff --git a/app/dts/behaviors/layer_tap.dtsi b/app/dts/behaviors/layer_tap.dtsi
index af7319b3..cca481a7 100644
--- a/app/dts/behaviors/layer_tap.dtsi
+++ b/app/dts/behaviors/layer_tap.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
 	behaviors {
 		lt: behavior_layer_tap {
diff --git a/app/dts/behaviors/mod_tap.dtsi b/app/dts/behaviors/mod_tap.dtsi
index 4ce732b4..b972aba1 100644
--- a/app/dts/behaviors/mod_tap.dtsi
+++ b/app/dts/behaviors/mod_tap.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
 	behaviors {
 		mt: behavior_mod_tap {
diff --git a/app/dts/behaviors/momentary_layer.dtsi b/app/dts/behaviors/momentary_layer.dtsi
index e5b6c3ce..d3b21da9 100644
--- a/app/dts/behaviors/momentary_layer.dtsi
+++ b/app/dts/behaviors/momentary_layer.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
 	behaviors {
 		mo: behavior_momentary_layer {
diff --git a/app/dts/behaviors/none.dtsi b/app/dts/behaviors/none.dtsi
index e84ed491..1fe2cff7 100644
--- a/app/dts/behaviors/none.dtsi
+++ b/app/dts/behaviors/none.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Pete Johanson
+ * Copyright (c) 2020 The ZMK Contributors
  *
  * SPDX-License-Identifier: MIT
  */
diff --git a/app/dts/behaviors/outputs.dtsi b/app/dts/behaviors/outputs.dtsi
index a534cbf9..ee17e1df 100644
--- a/app/dts/behaviors/outputs.dtsi
+++ b/app/dts/behaviors/outputs.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
     behaviors {
         out: behavior_outputs {
diff --git a/app/dts/behaviors/reset.dtsi b/app/dts/behaviors/reset.dtsi
index fc4fa149..cf363425 100644
--- a/app/dts/behaviors/reset.dtsi
+++ b/app/dts/behaviors/reset.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <dt-bindings/zmk/reset.h>
 
 / {
diff --git a/app/dts/behaviors/rgb_underglow.dtsi b/app/dts/behaviors/rgb_underglow.dtsi
index e8ad9da8..22aff93f 100644
--- a/app/dts/behaviors/rgb_underglow.dtsi
+++ b/app/dts/behaviors/rgb_underglow.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
 	behaviors {
 		rgb_ug: behavior_rgb_underglow {
diff --git a/app/dts/behaviors/sensor_rotate_key_press.dtsi b/app/dts/behaviors/sensor_rotate_key_press.dtsi
index d06eca23..075fc38e 100644
--- a/app/dts/behaviors/sensor_rotate_key_press.dtsi
+++ b/app/dts/behaviors/sensor_rotate_key_press.dtsi
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 / {
 	behaviors {
diff --git a/app/dts/behaviors/transparent.dtsi b/app/dts/behaviors/transparent.dtsi
index ddd05220..09f9ea00 100644
--- a/app/dts/behaviors/transparent.dtsi
+++ b/app/dts/behaviors/transparent.dtsi
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 / {
 	behaviors {
 		trans: behavior_transparent {