diff --git a/OpenAPI/TS28532_ProvMnS.yaml b/OpenAPI/TS28532_ProvMnS.yaml
index 3f00394cb1a283547992826774adea374b688fb6..5392c690db6631e342a78759b1f5644d79269d95 100755
--- a/OpenAPI/TS28532_ProvMnS.yaml
+++ b/OpenAPI/TS28532_ProvMnS.yaml
@@ -508,4 +508,8 @@ components:
           type: string
         path:
           type: string
-        value: {}
+        value:
+          nullable: true
+      required:
+        - op
+        - path