docs/maps/DRO.json in cocina-models-0.11.0 vs docs/maps/DRO.json in cocina-models-0.12.0

@@ -238,10 +238,10 @@
       "properties": {
         "contains": {
           "description": "Filesets that contain the digital representations (Files) of the DRO.",
           "type": "array",
           "items": {
-            "type": "string"
+            "$ref": "Fileset.json"
           }
         },
         "hasAgreement": {
           "description": "Agreement that covers the deposit of the DRO into SDR.",
           "type": "string"