diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index 82afbbf7..60a51d68 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -25,6 +25,7 @@ device_profile_name_or_uuid:
   required: true
   type: string
   min_version: 2.2
+  -H "OpenStack-API-Version: 2.2"
 device_profile_uuid_v_21:
   description: |
     The uuid of the device_profile for your accelerator request.
@@ -33,6 +34,7 @@ device_profile_uuid_v_21:
   required: true
   type: string
   max_version: 2.1
+  -H "OpenStack-API-Version: 2.1"
 device_uuid:
   description: |
     The UUID of the device.