Why appears two feedback messages when left comments in my blog??!!!

Guys, a strange thing … I put a custom message instead of the message in English as before, the file wp-contents \ themes \ my-theme \ comments.php:

<?php if ($comment->comment_approved == '0') : ?>
<em>Your comment is awaiting moderation.</em> ?>

Assim, quando alguém deixa um comentário vê a minha mensagem de feedback, agradecendo pelo comentário.

<?php if ( $comment->comment_approved == '0' ) { ?>

<center>Thank You! I will aprove your message later!!!</center>

<?php } ?>

Then I went up the file by FTP.

Except that when I downloaded the file comments.php to my computer in order to change the message that I had put the message was not there in the file comments.php. And when I comment on the blog the message that I set … But how can I change this message again if the file that I downloaded does not have more?