diff --git a/free-programming-books-pt_BR.md b/free-programming-books-pt_BR.md
index acfb9fda..59063c96 100644
--- a/free-programming-books-pt_BR.md
+++ b/free-programming-books-pt_BR.md
@@ -132,7 +132,7 @@
 ### PHP
 
 * [A semana PHP](http://asemanaphp.com.br)
-* [Api REST Com Silex no GAE](http://bit.ly/ebook-silex) - Nanderson Castro [(PDF, EPUB, MOBI)]
+* [Api REST Com Silex no GAE](http://bit.ly/ebook-silex) - Nanderson Castro (PDF, EPUB, MOBI)
 * [CakePHP](http://book.cakephp.org/2.0/pt/index.html)
 * [Curso Linguagem PHP 2000](http://www.etelg.com.br/paginaete/downloads/informatica/php.pdf) (PDF)
 * [Laravel - O Framework PHP para os Artesãos da Web](http://laravel.artesaos.org)
diff --git a/free-programming-books.md b/free-programming-books.md
index 1471b551..5286a4ce 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -940,7 +940,7 @@
 
 ### Crystal
 
-*[Crystal for Rubyists.](http://www.crystalforrubyists.com)
+* [Crystal for Rubyists](http://www.crystalforrubyists.com)
 
 ### CUDA