Merge pull request #6633 from davidsonalencar/master

docs/guide-pt-BR/README.md

@@ -112,7 +112,7 @@ Segurança
 * [Autorização](security-authorization.md)
 * [Trabalhando com Senhas](security-passwords.md)
 * **TBD** [Auth Clients](security-auth-clients.md)
-* **TBD** [Melhores Práticas](security-best-practices.md)
+* [Melhores Práticas](security-best-practices.md)
 
 
 Cache

docs/guide-pt-BR/start-looking-ahead.md

@@ -43,3 +43,4 @@ usando o framework.
     - Facebook: <https://www.facebook.com/groups/yiitalk/>
     - Twitter: <https://twitter.com/yiiframework>
     - LinkedIn: <https://www.linkedin.com/groups/yii-framework-1483367>
+    - Stackoverflow: <http://stackoverflow.com/questions/tagged/yii2>
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