Merge branch 'current' into next

source/_addons/duckdns.markdown

@@ -10,12 +10,15 @@ footer: true
 featured: true
 ---
 
-[Duck DNS](https://duckdns.org/) is a free dynamic DNS service. Using this service you can have a custom domainname under duckdns.org point at your home computer.
+[Duck DNS](https://duckdns.org/) is a free service which will point a DNS (sub domains of duckdns.org) to an IP of your choice. This add-on includes support for Let's Encrypt and will automatically create and renew your certificates.
 
 ```json
 {
+  "lets_encrypt": {
+    "accept_terms": true
+  },
   "token": "sdfj-2131023-dslfjsd-12321",
-  "domains": ["my-first-account.duckdns.org", "my-second-account.duckdns.org"]
+  "domains": ["my-domain.duckdns.org"]
 }
 ```
 
@@ -24,3 +27,16 @@ Configuration variables:
 - **token** (*Required*): Your Duck DNS API key.
 - **domains** (*Required*): A list of domains to update DNS.
 - **seconds** (*Optional*): Seconds between updates to Duck DNS.
+- **lets_encrypt.accept_terms** (*Optional*): If you accept the [Let's Encrypt Subscriber Agreement][le], it will generate & update Let's Enrypt certificates for your DuckDNS domain.
+
+[le]: https://letsencrypt.org/repository/
+
+## {% linkable_title Home Assistant configuration %}
+
+Use the following configuration in Home Assistant to use the generated certificate:
+
+```yaml
+http:
+  ssl_certificate: /ssl/fullchain.pem
+  ssl_key: /ssl/privkey.pem
+```