diff --git a/docs/quickstart.rst b/docs/quickstart.rst
index d025269d4..31c4808f6 100644
--- a/docs/quickstart.rst
+++ b/docs/quickstart.rst
@@ -141,6 +141,7 @@ register an API defined by an OpenAPI (or Swagger) specification.
                   operationId: run.post_greeting
                   responses:
                     200:
+                      description: "Greeting response"
                       content:
                         text/plain:
                           schema: