Let's not guess and help correct the article, shall we? Documentation, manpage, textbook and programming books can contain errors. On the flip side, I like to

Let's not guess and help correct the article, shall we? Documentation, manpage, textbook and programming books can contain errors. On the flip side, I like to see more people helping critiquing these articles so newbies like me can get the most out of it (though I already took computer network...).