diff --git a/Documentation/devicetree/bindings/soc/rockchip/rockchip-pvtm.txt b/Documentation/devicetree/bindings/soc/rockchip/rockchip-pvtm.txt
index ae0cc3aa3173..d9a45f235b20 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/rockchip-pvtm.txt
+++ b/Documentation/devicetree/bindings/soc/rockchip/rockchip-pvtm.txt
@@ -20,6 +20,8 @@ Required properties:
 - clocks: Must contain an entry for each entry in clock-names.
   See ../../clocks/clock-bindings.txt for details.
 - clock-names: Should be "core_l", "core_b", "gpu", "ddr" and "pmu".
+
+Optional properties:
 - resets: Must contain an entry for each entry in reset-names.
   See ../../reset/reset.txt for details.
 - reset-names: Should be "core_l", "core_b", "gpu", "ddr" and "pmu".