diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index 67b9a8cb927ea1b948a4ca5acfdca81bb2703703..0833703e675459a8966ecd2452c6f1a6509824b3 100755
--- a/OpenAPI/TS28541_SliceNrm.yaml
+++ b/OpenAPI/TS28541_SliceNrm.yaml
@@ -513,10 +513,8 @@ components:
             $ref: '#/components/schemas/UserMgmtOpen'
           v2XCommModels:
             $ref: '#/components/schemas/V2XCommModels'
-          coverageAreas:
-            type: array
-            items:
-              type: string
+          coverageArea:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/GeoArea'
           termDensity:
             $ref: '#/components/schemas/TermDensity'
           activityFactor: