README.md in compose-hook-0.1.0 vs README.md in compose-hook-0.1.1

@@ -1,23 +1,40 @@
 # Compose-hook
 
+
 Simple application to update a service managed by compose using a webhook.
 The trigger is secured with a shared secret.
 
-## Usage
 
+
+### Installation
+
 Install the gem:
 ```
-gem install compose-hook
+  gem install compose-hook
 ```
 
 Install the systemd service on the target machine:
 ```
-bin/install_webhook
+  bin/install_webhook
 ```
 
+Create a config file of the following format:
+```yaml
+- domain:  "www.example.com" # target domain
+  root:    "/home/deploy/example" # the root location of docker-compose
+  subpath: "compose" # [optional] directory containing target Compose files
+- domain:  "its.awesome.com"
+  root:    "/home/deploy/awesome"
+  subpath: ""
+```
+
+Export the config file path as `CONFIG_PATH` before launching the server.
+
+### Usage
+
 Test your installation with a payload
 ```
-compose-payload *service* *docker image* *url*
+  compose-payload *service* *docker image* *url*
 ```
 
 Made with :heart: at [openware](https://www.openware.com/)