diff --git a/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml b/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml
index 0e19118..d5cab89 100644
--- a/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml
+++ b/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml
@@ -1,6 +1,11 @@
 description: >
     Implement to provide basic item attributes.  Required by all objects
     within the inventory namespace.
+
+    Any service implementing Inventory.Item on one or more objects must
+    implement org.freedesktop.DBus.ObjectManager on
+    /xyz/openbmc_project/inventory.
+
 properties:
     - name: PrettyName
       type: string