diff --git a/Documentation/netlink/specs/dpll.yaml b/Documentation/netlink/specs/dpll.yaml
index 3dcc9ece272a..d0c821c20203 100644
--- a/Documentation/netlink/specs/dpll.yaml
+++ b/Documentation/netlink/specs/dpll.yaml
@@ -274,6 +274,7 @@ attribute-sets:
       -
         name: capabilities
         type: u32
+        enum: pin-capabilities
       -
         name: parent-device
         type: nest