diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 9def2c033dd235a3d33dc2c08e0a279547fcd3c2..b116339c9b7c7c1f38eb7e413a7bc22e40908813 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -795,12 +795,10 @@ components:
           type: array
           items:
             $ref: 'TS28623_ComDefs.yaml#/components/schemas/Ipv4Addr'
-          minItems: 1
         ipv6EndpointAddresses:
           type: array
           items:
             $ref: 'TS28623_ComDefs.yaml#/components/schemas/Ipv6Addr'
-          minItems: 1
         fqdn:
           $ref: 'TS28623_ComDefs.yaml#/components/schemas/Fqdn'
         networkInstance:
@@ -820,9 +818,13 @@ components:
       type: object
       properties:
         ipv4EndpointAddresses:
-          $ref: 'TS28623_ComDefs.yaml#/components/schemas/Ipv4Addr'
+          type: array
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/Ipv4Addr'
         ipv6EndpointAddresses:
-          $ref: 'TS28623_ComDefs.yaml#/components/schemas/Ipv6Addr'
+          type: array
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/Ipv6Addr'
         fqdn:
           $ref: 'TS28623_ComDefs.yaml#/components/schemas/Fqdn'