diff --git a/Documentation/netlink/specs/dpll.yaml b/Documentation/netlink/specs/dpll.yaml
index 8dc1df5cfae7..95b0eb1486bf 100644
--- a/Documentation/netlink/specs/dpll.yaml
+++ b/Documentation/netlink/specs/dpll.yaml
@@ -312,6 +312,7 @@ attribute-sets:
       -
         name: capabilities
         type: u32
+        enum: pin-capabilities
       -
         name: parent-device
         type: nest