diff --git a/code/API_definitions/device-reachability-status-subscriptions.yaml b/code/API_definitions/device-reachability-status-subscriptions.yaml
index a27d6b6..de10a62 100644
--- a/code/API_definitions/device-reachability-status-subscriptions.yaml
+++ b/code/API_definitions/device-reachability-status-subscriptions.yaml
@@ -401,19 +401,19 @@ components:
     ErrorInfo:
       type: object
       required:
-        - message
         - status
         - code
+        - message
       properties:
-        message:
-          type: string
-          description: A human-readable description of what the event represents
         status:
           type: integer
           description: HTTP response status code
         code:
           type: string
           description: A human-readable code to describe the error
+        message:
+          type: string
+          description: A human-readable description of what the event represents
 
     SubscriptionRequest:
       description: The request for creating a event-type event subscription
diff --git a/code/API_definitions/device-reachability-status.yaml b/code/API_definitions/device-reachability-status.yaml
index 737a0ba..c43b822 100644
--- a/code/API_definitions/device-reachability-status.yaml
+++ b/code/API_definitions/device-reachability-status.yaml
@@ -322,19 +322,19 @@ components:
     ErrorInfo:
       type: object
       required:
-        - message
         - status
         - code
+        - message
       properties:
-        message:
-          type: string
-          description: A human-readable description of what the event represents
         status:
           type: integer
           description: HTTP response status code
         code:
           type: string
           description: A human-readable code to describe the error
+        message:
+          type: string
+          description: A human-readable description of what the event represents
 
     XCorrelator:
       type: string