diff --git a/data/web/api/openapi.yaml b/data/web/api/openapi.yaml
index a87743dda..a14c47d88 100644
--- a/data/web/api/openapi.yaml
+++ b/data/web/api/openapi.yaml
@@ -533,6 +533,7 @@ paths:
                     - s
                     - m
                     - h
+                    - d
                   type: string
                 rl_value:
                   description: rate limit value