README.md in str_enum-0.1.5 vs README.md in str_enum-0.1.6

@@ -5,11 +5,14 @@
 String enums for Rails!! :tada:
 
 - scopes
 - validations
 - accessor methods
+- update methods
 
+[![Build Status](https://travis-ci.org/ankane/str_enum.svg?branch=master)](https://travis-ci.org/ankane/str_enum)
+
 ## Getting Started
 
 Add this line to your application’s Gemfile:
 
 ```ruby
@@ -51,10 +54,17 @@
 ```ruby
 user.active?
 user.archived?
 ```
 
+#### Update Methods [master]
+
+```ruby
+user.active!
+user.archived!
+```
+
 #### Forms
 
 ```erb
 <%= f.select :status, User.statuses.map { |s| [s.titleize, s] } %>
 ```
@@ -63,11 +73,16 @@
 
 Choose which features you want with:
 
 ```ruby
 class User < ActiveRecord::Base
-  str_enum :status, [:active, :archived], scopes: false, validate: false, accessor_methods: false
+  str_enum :status, [:active, :archived],
+    scopes: false,
+    validate: false,
+    accessor_methods: false,
+    update_methods: false,
+    default: nil
 end
 ```
 
 Prevent method name collisions with the `prefix` and `suffix` options.
 
@@ -81,9 +96,13 @@
 User.archived_address
 
 # accessor methods
 user.active_address?
 user.archived_address?
+
+# update methods
+user.active_address!
+user.archived_address!
 ```
 
 ## History
 
 View the [changelog](https://github.com/ankane/str_enum/blob/master/CHANGELOG.md)