Update free-programming-books-pt_BR.md (#9753)

Add a Author name reference

books/free-programming-books-pt_BR.md

@@ -218,7 +218,7 @@
 
 * [Apostila de HTML](https://www.telecom.uff.br/pet/petws/downloads/apostilas/HTML.pdf) - Robertha Pereira Pedroso (PDF)
 * [Desenvolvimento Web com HTML, CSS e JavaScript](https://www.caelum.com.br/apostila-html-css-javascript/) - Caelum
-* [Dive Into HTML5](http://diveintohtml5.com.br)
+* [Dive Into HTML5](http://diveintohtml5.com.br) - Mark Pilgrim
 * [Estruturando o HTML com CSS](http://pt-br.learnlayout.com)