diff --git a/pageserver/src/http/openapi_spec.yml b/pageserver/src/http/openapi_spec.yml
index 4656f2c93a..42086dc2e6 100644
--- a/pageserver/src/http/openapi_spec.yml
+++ b/pageserver/src/http/openapi_spec.yml
@@ -932,7 +932,7 @@ components:
           description: Whether to poll remote storage for layers to download.  If false, secondary locations don't download anything.
     ArchivalConfigRequest:
       type: object
-      required
+      required:
         - state
       properties:
         state: