From f7bea5bb05ecf97e087bb4e164ed636717f81d1a Mon Sep 17 00:00:00 2001
From: Stuart Thomson <me@sthom.kiwi>
Date: Sat, 6 Feb 2021 20:31:24 +1300
Subject: [PATCH] Add documentation for new variable

---
 docs/configuring-playbook-nginx.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/docs/configuring-playbook-nginx.md b/docs/configuring-playbook-nginx.md
index 3c0bad5bd..c47887101 100644
--- a/docs/configuring-playbook-nginx.md
+++ b/docs/configuring-playbook-nginx.md
@@ -59,3 +59,17 @@ This will disable the access logging for nginx.
 ```yaml
 matrix_nginx_proxy_access_log_enabled: false
 ```
+
+## Additional configuration
+
+<!-- TODO: Introductory blurb -->
+
+<!-- TODO: Add section for including config files, however that's done -->
+
+Make sure that you have set the DNS configuration for the domains you want to include to point at your server.
+
+```yaml
+matrix_ssl_additional_domains_to_obtain_certificates_for:
+  - domain.one.example
+  - domain.two.example
+```