diff --git a/arch/arm/boot/dts/emev2.dtsi b/arch/arm/boot/dts/emev2.dtsi
index 373ea8720769..67d86012a85c 100644
--- a/arch/arm/boot/dts/emev2.dtsi
+++ b/arch/arm/boot/dts/emev2.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Device Tree Source for the EMEV2 SoC
+ * Device Tree Source for the Emma Mobile EV2 SoC
  *
  * Copyright (C) 2012 Renesas Solutions Corp.
  */
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index 383cba68dbba..12ffe73bf2bc 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Device Tree Source for the r8a7740 SoC
+ * Device Tree Source for the R-Mobile A1 (R8A77400) SoC
  *
  * Copyright (C) 2012 Renesas Solutions Corp.
  */
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index e8f0a07c4564..33836990b102 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Device Tree Source for the SH73A0 SoC
+ * Device Tree Source for the SH-Mobile AG5 (R8A73A00/SH73A0) SoC
  *
  * Copyright (C) 2012 Renesas Solutions Corp.
  */