diff --git a/docs/releasenotes.rst b/docs/releasenotes.rst
index 9dfdb55c448892b728389655eff11c1e7144a6c5..614acdbab6bc974a8df3f87d5c3341abdbdd2fe3 100644
--- a/docs/releasenotes.rst
+++ b/docs/releasenotes.rst
@@ -19,6 +19,7 @@ Breaking changes:
 * All roles
 
   * Support for Debian 8 Jessie has been dropped.
+  * TLS private key and certificate parameters are now mandatory.
 
 * ``mail_forwarder`` role