diff --git a/specification/iotoperations/resource-manager/readme.md b/specification/iotoperations/resource-manager/readme.md
index 252c0088280f..d223a75c844a 100644
--- a/specification/iotoperations/resource-manager/readme.md
+++ b/specification/iotoperations/resource-manager/readme.md
@@ -47,6 +47,8 @@ directive:
     reason: User defined properties that are not subject to any validations.
   - suppress: BodyTopLevelProperties
     reason: Temporary suppression due to failing pipeline.
+  - suppress: PatchBodyParametersSchema
+    reason: Type is required because it is a part of managed identity.
 ```
 
 ### Basic Information