diff --git a/Documentation/devicetree/bindings/mtd/partitions/partition.yaml b/Documentation/devicetree/bindings/mtd/partitions/partition.yaml
index cdffbb9cedc2..1ebe9e2347ea 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/partition.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/partition.yaml
@@ -55,6 +55,7 @@ properties:
   linux,rootfs:
     description: Marks partition that contains root filesystem to mount and boot
       user space from
+    type: boolean
 
 if:
   not: