diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index c0a9ff2a0f89ea3ffd988c3969fc372613a7353b..70f9c5eee46a1e1c5468aa2b2d297e825f4b475e 100755
--- a/OpenAPI/TS28541_SliceNrm.yaml
+++ b/OpenAPI/TS28541_SliceNrm.yaml
@@ -40,9 +40,10 @@ components:
           - OTDOA
           - RF_FINGERPRINTING
           - AECID
+
           - HYBRID_POSITIONING
           - NET_RTK
-    Predictionfrequency:
+    PredictionFrequency:
       type: string
       enum:
         - PERSEC
@@ -185,8 +186,8 @@ components:
           $ref: '#/components/schemas/ServAttrCom'
         availability:
           $ref: '#/components/schemas/PositioningAvailability'
-        predictionfrequency:
-          $ref: '#/components/schemas/Predictionfrequency'
+        predictionFrequency:
+          $ref: '#/components/schemas/PredictionFrequency'
         accuracy:
           $ref: '#/components/schemas/Float'
     PositioningRANSubnet:
@@ -194,8 +195,8 @@ components:
       properties:
         availability:
           $ref: '#/components/schemas/PositioningAvailability'
-        predictionfrequency:
-          $ref: '#/components/schemas/Predictionfrequency'
+        predictionFrequency:
+          $ref: '#/components/schemas/PredictionFrequency'
         accuracy:
           $ref: '#/components/schemas/Float'     
     UserMgmtOpen: