diff --git a/docs/er/openapi/enterprise-router.yaml b/docs/er/openapi/enterprise-router.yaml
index 522c73021..f900f612b 100644
--- a/docs/er/openapi/enterprise-router.yaml
+++ b/docs/er/openapi/enterprise-router.yaml
@@ -45,7 +45,7 @@ tags:
     x-name: AZs
     x-publishpath: AvailableZone
 paths:
-  /v3/{project_id}/enterprise-router/{er_id}/route-tables/{route_table_id}/propagations:
+  /v3/{project_id}/enterprise-router/{er_id}/route-tables/{route_table_id}/propagations[202]:
     get:
       tags:
         - Propagation