diff --git a/arch/arm/dts/uniphier-ph1-sld3-ref.dts b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
index 1f3aee9..ff17945 100644
--- a/arch/arm/dts/uniphier-ph1-sld3-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
@@ -68,7 +68,7 @@
 	status = "okay";
 };
 
-/* for U-boot only */
+/* for U-Boot only */
 &serial0 {
        u-boot,dm-pre-reloc;
 };