Index: pkg/shelf/README.md |
diff --git a/pkg/shelf/README.md b/pkg/shelf/README.md |
index 7366ba88240fddd7ad207a2c030f5593b9695790..98123a9d98b3001e239d80720675b16d735e348a 100644 |
--- a/pkg/shelf/README.md |
+++ b/pkg/shelf/README.md |
@@ -98,6 +98,10 @@ An adapter should include information about itself in the Server header of the |
response by default. If the handler returns a response with the Server header |
set, that must take precedence over the adapter's default header. |
+An adapter should include the Date header with the time the handler returns a |
+response. If the handler returns a response with the Date header set, that must |
+take precedence. |
+ |
An adapter should ensure that asynchronous errors thrown by the handler don't |
cause the application to crash, even if they aren't reported by the future |
chain. Specifically, these errors shouldn't be passed to the root zone's error |