diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index 05fbeb3a822385756f4fdda419047fd7cbf471ab..8ab416830be0ecde300a184ef4832e781565b26c 100755
--- a/OpenAPI/TS28541_SliceNrm.yaml
+++ b/OpenAPI/TS28541_SliceNrm.yaml
@@ -42,7 +42,7 @@ components:
           - AECID
           - HYBRID POSITIONING
           - NET-RTK
-    Predictionfrequency:
+    PredictionFrequency:
       type: string
       enum:
         - PERSEC
@@ -189,8 +189,8 @@ 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:
@@ -198,8 +198,8 @@ components:
       properties:
         availability:
           $ref: '#/components/schemas/PositioningAvailability'
-        predictionfrequency:
-          $ref: '#/components/schemas/Predictionfrequency'
+        predictionFrequency:
+          $ref: '#/components/schemas/PredictionFrequency'
         accuracy:
           $ref: '#/components/schemas/Float'     
     UserMgmtOpen: