README.md in work_day-1.0.1 vs README.md in work_day-1.1.0

@@ -109,14 +109,27 @@
 ### Escolhendo calendários
 
 Pode ser utilizado mais de um calendário ao mesmo tempo
 Calendários disponíveis london, new_york e brazil
 
+###### Configurando os calendários default
+
 ```ruby
-> wd = WorkDay.new(['london', 'new_york'])
-> wd.work_day?("2018-05-28")
+> WorkDay.calendars(['london', 'new_york'])
+> WorkDay.work_day?("2018-05-28")
 => false
 ```
+
+###### Usando calendários apenas em um bloco específico (ex.: por request)
+
+```ruby
+> WorkDay.calendars(['new_york'])
+> WorkDay.work_day?("2018-07-04")
+=> false
+> WorkDay.use_calendars('london') { WorkDay.work_day?("2018-07-04") }
+=> true
+```
+
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).