diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index 199345339ffa4f84137d6e754bfd8e490701de41..a7cf8e658d35d082c32c1e0626727b820c89bb6c 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -1017,7 +1017,11 @@ components:
         - type: object
           properties:
             bWPlist:
-              $ref: 'TS28623_ComDefs.yaml#/components/schemas/DnList'
+              type: array
+              items:
+                 $ref: 'TS28623_ComDefs.yaml#/components/schemas/Dn'
+              maxItems: 12      
+
 
     NrOperatorCellDu-Single:
       allOf: