<?php comment_form();?>

<?php 
$comments_args = array(
	'comment_field' => '<p class="comment-form-comment"><label for="comment">Yorumunuz:</label><textarea id="comment" name="comment" cols="45" rows="8" aria-required="true"></textarea></p>',
	'fields' => apply_filters( 'comment_form_default_fields', array('url' => '<p class="comment-form-url"><label for="url">Website:</label><input id="url" name="url" type="text" value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" /></p>'
)));

comment_form($comments_args);
?>