diff --git a/draft-ietf-httpbis-http2-secondary-certs.md b/draft-ietf-httpbis-http2-secondary-certs.md
index 27081a70a..dcc57f476 100644
--- a/draft-ietf-httpbis-http2-secondary-certs.md
+++ b/draft-ietf-httpbis-http2-secondary-certs.md
@@ -854,6 +854,8 @@ this document.
 
 - All frames sent on stream zero; replaced `AUTOMATIC_USE` on `CERTIFICATE` with
   `UNSOLICITED` on `USE_CERTIFICATE`. (#482,#566)
+- `CERTIFICATE_NEEDED` and `USE_CERTIFICATE` can reference stream zero.
+  (#564,#586)
 
 ## Since draft-bishop-httpbis-http2-additional-certs-05: