spec release

yaml/PaymentService-v51.yaml

@@ -5572,14 +5572,17 @@ components:
           - FRAUD
           type: string
         fraudRiskLevel:
-          description: The risk level of the payment as determined by the FDM machine
-            learning model.
+          description: The risk level of the transaction as classified by the [machine
+            learning](https://docs.adyen.com/risk-management/configure-your-risk-profile/machine-learning-rules/)
+            fraud risk rule. The risk level indicates the likelihood that a transaction
+            will result in a fraudulent dispute. The possible return values are:\n*
+            veryLow\n* low\n* medium\n* high\n* veryHigh\n\n>
           enum:
-          - Very low
-          - Low
-          - Medium
-          - High
-          - Very high
+          - veryLow
+          - low
+          - medium
+          - high
+          - veryHigh
           type: string
         fundingSource:
           description: 'Information regarding the funding type of the card. The possible