diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 3fde5ecf4e0f2a3e82112317c42b5c83de9ac3e1..70e59d659790faf683a9953dae0d8f722d61f2de 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -799,12 +799,10 @@ 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:
@@ -824,9 +822,13 @@ 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'