diff --git a/OpenAPI/TS28312_IntentNrm.yaml b/OpenAPI/TS28312_IntentNrm.yaml
index 81fc68b3a1163068846f03b0cce7db632cea2221..db3e844c85f21c0c409ae2f84f95de0ae50c2e2f 100644
--- a/OpenAPI/TS28312_IntentNrm.yaml
+++ b/OpenAPI/TS28312_IntentNrm.yaml
@@ -324,7 +324,7 @@ components:
       properties:
         intentFulfilmentInfo:
           $ref: '#/components/schemas/FulfilmentInfo'
-        expectationFulfilmentResult:
+        expectationFulfilmentResults:
           type: array
           items: 
             $ref: '#/components/schemas/ExpectationFulfilmentResult'
@@ -340,7 +340,7 @@ components:
           type: string
         expectationFulfilmentInfo:
           $ref: '#/components/schemas/FulfilmentInfo'
-        targetFulfilmentResult:
+        targetFulfilmentResults:
           type: array
           items: 
             $ref: '#/components/schemas/TargetFulfilmentResult'
@@ -410,13 +410,15 @@ components:
           enum:
               - FEASIBLE
               - INFEASIBLE
-        infeasibilityReason:
+        infeasibilityReasons:
           description: An attribute which is used when feasibilityCheckResult is INFEASIBLE 
-          type: string
-          readOnly: true      
-          enum:
-             - INVALID_INTENT_EXPRESSION
-             - INTENT_CONFLICT
+          type: array
+          items:
+            type: string
+            readOnly: true      
+            enum:
+               - INVALID_INTENT_EXPRESSION
+               - INTENT_CONFLICT
    #-------Definition of the concrete IntentFeasibilityCheckReport dataType----------------#
 
    #-------Definition of the generic IntentHandlingCapability dataType----------------#