diff --git a/Documentation/devicetree/bindings/regulator/samsung,s5m8767.yaml b/Documentation/devicetree/bindings/regulator/samsung,s5m8767.yaml
index 80a63d47790a..6c8ad82bd69c 100644
--- a/Documentation/devicetree/bindings/regulator/samsung,s5m8767.yaml
+++ b/Documentation/devicetree/bindings/regulator/samsung,s5m8767.yaml
@@ -54,8 +54,9 @@ patternProperties:
     required:
       - regulator-name
 
+properties:
   # 9 buck
-  "^BUCK9$":
+  BUCK9:
     type: object
     $ref: regulator.yaml#
     unevaluatedProperties: false