Enhance MinFraud Documentation: Add Detailed Information on Available Options

README.md

@@ -84,10 +84,16 @@ and [Report Transaction](https://dev.maxmind.com/minfraud/report-transaction/) A
 ### minFraud API ###
 
 To use the minFraud API, create a new `\MaxMind\MinFraud` object. The constructor
-takes your MaxMind account ID, license key, and an optional options array as
-arguments. This object is immutable. You then build up the request using the
-`->with*` methods as shown below. Each method call returns a new object. The
-previous object is not modified.
+takes your MaxMind account ID, license key, and an optional `options` array as
+arguments. This object is immutable. See the API documentation for the possible options.
+
+For instance, to call the Sandbox environment instead of the minFraud 2 web service:
+
+```php
+$mf = new MinFraud(1, 'ABCD567890', [ 'host' => 'sandbox.maxmind.com' ]);
+```
+
+Build up the request using the `->with*` methods as shown below. Each method call returns a new object. The previous object is not modified.
 
 If there is a validation error in the data passed to a `->with*` method, a
 `\MaxMind\Exception` will be thrown. This validation can be disabled by

src/MinFraud.php

@@ -62,6 +62,10 @@ class MinFraud extends MinFraud\ServiceClient
      * @param array  $options    An array of options. Possible keys:
      *
      * * `host` - The host to use when connecting to the web service.
+     *   By default, the client connects to the production host. However,
+     *   during testing and development, you can set this option to
+     *   'sandbox.maxmind.com' to use the sandbox host. The sandbox host
+     *   allows you to experiment with the API without affecting your production data.
      * * `userAgent` - The prefix for the User-Agent header to use in the
      *   request.
      * * `caBundle` - The bundle of CA root certificates to use in the request.