diff --git a/schema/core-person.json b/schema/core-person.json
index e5f3ecd..836b699 100644
--- a/schema/core-person.json
+++ b/schema/core-person.json
@@ -47,6 +47,8 @@
                 "type": "array",
                 "items": {
                     "type": "object",
+                    "description": "same as identifier/enterprise in Core Attribute Specification. Where identifier crosswalk is mapped in midPoint",
+                    
                     "properties": {
                         "source": {"type": "string"},
                         "id": {"type": "string"}