diff --git a/arch/arm64/boot/dts/rockchip/overlays/rk3568-hdmi-disable.dts b/arch/arm64/boot/dts/rockchip/overlays/rk3568-hdmi-disable.dts
index 67e9caf7..196cb53e 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/rk3568-hdmi-disable.dts
+++ b/arch/arm64/boot/dts/rockchip/overlays/rk3568-hdmi-disable.dts
@@ -7,7 +7,7 @@
 		compatible = "rockchip,rk3568", "rockchip,rk3566";
 		category = "misc";
 		exclusive = "hdmi", "hdmi_sound";
-		description = "Disable HDMI";
+		description = "Disable HDMI.";
 	};
 };
 
diff --git a/arch/arm64/boot/dts/rockchip/overlays/rockchip-gpu-disable.dts b/arch/arm64/boot/dts/rockchip/overlays/rockchip-gpu-disable.dts
index 34641e90..3eec08eb 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/rockchip-gpu-disable.dts
+++ b/arch/arm64/boot/dts/rockchip/overlays/rockchip-gpu-disable.dts
@@ -7,7 +7,7 @@
 		compatible = "rockchip,rk3308", "rockchip,rk3328", "rockchip,rk3399", "rockchip,rk3566", "rockchip,rk3568", "rockchip,rk3588";
 		category = "misc";
 		exclusive = "gpu";
-		description = "Disable GPU";
+		description = "Disable GPU.";
 	};
 };