Change documentation to use port 8443 (#740)

doc/admin/install/digitalocean.md

@@ -39,11 +39,10 @@ If you're just starting out, we recommend [installing code-server locally](../..
   > To ensure the connection between you and your server is encrypted view our guide on [securing your setup](../../security/ssl.md)
 - Finally start the code-server
   ```
-  sudo ./code-server -p 80
+  ./code-server
   ```
     > For instructions on how to keep the server running after you end your SSH session please checkout [how to use systemd](https://www.linode.com/docs/quick-answers/linux/start-service-at-boot/) to start linux based services if they are killed
-- When you visit the public IP for your Digital Ocean instance, you will be greeted with this page. Code-server is using a self-signed SSL certificate for easy setup. To proceed to the IDE, click **"Advanced"**<img src ="../../assets/chrome_warning.png">
-- Then click **"proceed anyway"**<img src="../../assets/chrome_confirm.png">
+- Open your browser and visit `https://$public_ip:8443/` (where `$public_ip` is your Digital Ocean instance's public IP address). You will be greeted with a page similar to the following screenshot. Code-server is using a self-signed SSL certificate for easy setup. In Chrome/Chromium, click **"Advanced"** then click **"proceed anyway"**. In Firefox, click **Advanced**, then **Add Exception**, then finally **Confirm Security Exception**.<img src ="../../assets/chrome_warning.png">
 
 ---
 > NOTE: If you get stuck or need help, [file an issue](https://github.com/cdr/code-server/issues/new?&title=Improve+self-hosted+quickstart+guide), [tweet (@coderhq)](https://twitter.com/coderhq) or [email](mailto:support@coder.com?subject=Self-hosted%20quickstart%20guide).