README.md in twilio-ruby-5.55.0 vs README.md in twilio-ruby-5.56.0

@@ -33,17 +33,17 @@
 ## Installation
 
 To install using [Bundler][bundler] grab the latest stable version:
 
 ```ruby
-gem 'twilio-ruby', '~> 5.55.0'
+gem 'twilio-ruby', '~> 5.56.0'
 ```
 
 To manually install `twilio-ruby` via [Rubygems][rubygems] simply gem install:
 
 ```bash
-gem install twilio-ruby -v 5.55.0
+gem install twilio-ruby -v 5.56.0
 ```
 
 To build and install the development branch yourself from the latest source:
 
 ```bash
@@ -155,9 +155,17 @@
 ```ruby
 @client.http_client.adapter = :typhoeus
 ```
 
 To use a custom HTTP client with this helper library, please see the [Twilio documentation](https://www.twilio.com/docs/libraries/ruby/custom-http-clients).
+
+To apply customizations such as middleware, you can use the `configure_connection` method like so:
+
+```ruby
[e-mail]_client.configure_connection do |faraday|
+  faraday.use SomeMiddleware
+end
+```
 
 ### Handling Errors
 
 ```ruby
 begin