diff --git a/api-ref/source/v3/service-catalog.inc b/api-ref/source/v3/service-catalog.inc
index d8dbaa06c8..1f41b5bc8f 100644
--- a/api-ref/source/v3/service-catalog.inc
+++ b/api-ref/source/v3/service-catalog.inc
@@ -331,7 +331,7 @@ Parameters
    - url: endpoint_url
    - region: endpoint_region
    - enabled: endpoint_enabled
-   - interface: endpoint_region
+   - interface: endpoint_interface
    - service_id: service_id
    - endpoints: endpoints
    - id: endpoint_id