diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index ba6aadac3d6fc88444d6fcb7d0e2d491911cf815..044efbd0928b81ad011529bd79f8338bd93abdd1 100644
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -432,9 +432,9 @@ components:
           enum:
             - ENABLE
             - DISABLE          
-        RIMRSScrambleTimerMultiplier:
+        rIMRSScrambleTimerMultiplier:
           type: integer
-        RIMRSScrambleTimerOffset:
+        rIMRSScrambleTimerOffset:
           type: integer
 
     TimeDomainPara: