diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index e52925738..2f77ae64a 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -37,7 +37,7 @@ x-openstack-request-id:
   description: |
     ID of the request
   in: header
-  required: false
+  required: true
   type: string
 
 # Path Variables