README.md in kitchen-ec2-0.9.1 vs README.md in kitchen-ec2-0.9.2

@@ -197,9 +197,17 @@
 
 The price you bid in order to submit a spot request. An additional step will be required during the spot request process submission. If no price is set, it will use an on-demand instance.
 
 The default is `nil`.
 
+### http\_proxy
+
+Specify a proxy to send AWS requests through.  Should be of the format `http://<host>:<port>`.
+
+The default is `ENV['HTTP_PROXY']`
+
+**Note** - The AWS command line utility allow you to specify [two proxies](http://docs.aws.amazon.com/cli/latest/userguide/cli-http-proxy.html), one for HTTP and one for HTTPS.  The AWS Ruby SDK only allows you to specify 1 proxy and because all requests are `https://` this proxy needs to support HTTPS.
+
 ## Disk Configuration
 
 ### ebs\_volume\_size
 
 **Deprecated** See [block_device_mappings](#config-block_device_mappings) below.