Update README.md

README.md

@@ -43,13 +43,13 @@ Server available at: 0.tcp.ngrok.io:17003
 Copy the `0.tcp.ngrok.io:17003` part, and paste it into your local Minecraft app
 as the server name.
 
-## Syncing to S3
+## Syncing to Dropbox or S3
 
 The Heroku filesystem is [ephemeral](https://devcenter.heroku.com/articles/dynos#ephemeral-filesystem),
 which means files written to the file system will be destroyed when the server is restarted.
 
 Minecraft keeps all of the data for the server in flat files on the file system.
-Thus, if you want to keep you world, you'll need to sync it to S3.
+Thus, if you want to keep you world, you'll need to sync it to S3 or Dropbox.
 
 First, create an [AWS account](https://aws.amazon.com/) and an S3 bucket. Then configure the bucket
 and your AWS keys like this:
@@ -60,6 +60,15 @@ $ heroku config:set AWS_ACCESS_KEY=xxx
 $ heroku config:set AWS_SECRET_KEY=xxx
 ```
 
+For Dropbox, use this:
+
+Create a Dropbox account.
+Copy your Dropbox access token following these [instructions](https://blogs.dropbox.com/developers/2014/05/generate-an-access-token-for-your-own-account/).
+
+```
+$ heroku conig:set DROPBOX_ACCESS_TOKEN=xxx
+```
+
 The buildpack will sync your world to the bucket every 60 seconds, but this is configurable by setting the `AWS_SYNC_INTERVAL` config var.
 
 ## Connecting to the server console
@@ -88,6 +97,8 @@ You can customize ngrok by setting the `NGROK_OPTS` config variable. For example
 $ heroku config:set NGROK_OPTS="--remote-addr 1.tcp.ngrok.io:25565"
 ```
 
+**NOTE** You can only set the remote address or custom subdomain if you have a Pro or Business ngrok account.
+
 ### Minecraft
 
 You can choose the Minecraft version by setting the MINECRAFT_VERSION like so:
@@ -103,3 +114,4 @@ described on the [Minecraft Wiki](http://minecraft.gamepedia.com/Server.properti
 
 You can add files such as `banned-players.json`, `banned-ips.json`, `ops.json`,
 `whitelist.json` to your Git repository and the Minecraft server will pick them up.
+You can also add plugins. First, make a directory called plugins. Make sure you check if the plugin is compatible with your minecraft  version, and copy them into the plugins folder.