README.md in saml-kit-0.2.17 vs README.md in saml-kit-0.2.18

@@ -1,7 +1,11 @@
-# Saml::Kit
+![SAML-Kit](https://github.com/saml-kit/saml-kit/raw/master/spec/examples/saml-kit.gif)
 
+[![Gem Version](https://badge.fury.io/rb/saml-kit.svg)](https://rubygems.org/gems/saml-kit)
+[![Code Climate](https://codeclimate.com/github/saml-kit/saml-kit.svg)](https://codeclimate.com/github/saml-kit/saml-kit)
+[![Build Status](https://travis-ci.org/saml-kit/saml-kit.svg)](https://travis-ci.org/saml-kit/saml-kit)
+
 Saml::Kit is a library with the purpose of creating and consuming SAML
 documents. It supports the HTTP Post and HTTP Redirect bindings. It can
 create Service Provider Metadata, Identity Provider Metadata,
 AuthnRequest, Response, LogoutRequest, LogoutResponse documents.  
 It also supports generating signed and encrypted assertions.
@@ -28,11 +32,12 @@
 
 ```ruby
 Saml::Kit.configure do |configuration|
   configuration.issuer = ENV['ISSUER']
   configuration.generate_key_pair_for(use: :signing)
-  configuration.generate_key_pair_for(use: :signing)
+  configuration.add_key_pair(ENV["CERTIFICATE"], ENV["PRIVATE_KEY"], passphrase: ENV['PASSPHRASE'], use: :signing)
+  configuration.generate_key_pair_for(use: :encryption)
 end
 ```
 
 ### Metadata
 
@@ -214,11 +219,11 @@
     request.trusted? ? { access_token: SecureRandom.uuid } : {}
   end
 end
 
 user = User.new(id: SecureRandom.uuid, email: "[e-mail]")
-sp = Saml::Kit::IdentityProviderMetadata.new(xml)
-url, saml_params = sp.logout_request_for(user, binding: :http_post)
+idp = Saml::Kit::IdentityProviderMetadata.new(xml)
+url, saml_params = idp.logout_request_for(user, binding: :http_post)
 puts [url, saml_params].inspect
 # ["https://www.example.com/logout", {"SAMLRequest"=>"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"}]
 ```
 
 ### LogoutResponse