Translate for the topic 'Services'

Author: vinicius-sabadim

i18n/PT-BR.md

@@ -646,9 +646,9 @@ ou *Definindo* vs *Obtendo*
 
 ### Singletons
 
-  - Services are instantiated with the `new` keyword, use `this` for public methods and variables. Since these are so similar to factories, use a factory instead for consistency. 
+  - Services são instanciados com a palavra-chave `new`, use `this` para métodos públicos e variáveis. Services são bastante similares a factories, use um factory para consistência. 
   
-    Note: [All AngularJS services are singletons](https://docs.angularjs.org/guide/services). This means that there is only one instance of a given service per injector.
+    Nota: [Todos services em AngularJS são singletons](https://docs.angularjs.org/guide/services). Isso significa que há apenas uma instância do serviço para cada injetor.
 
   ```javascript
   // service