Frage Leerzeichen in Variable

<?php if ( have_posts() ) : ?>
            <header class="archive-header">
            <?php if ( category_description() ) : // Show an optional category description ?>
                <p class="archive-title"><?php printf( __(category_description(), 'twentythirteen' ), single_cat_title( '', false ) ); ?></p>
                <?php endif; ?>
            </header><!-- .archive-header -->

<?php
/**
* The template for displaying Category pages
*
* @link https://codex.wordpress.org/Template_Hierarchy
*
* @package WordPress
* @subpackage Twenty_Thirteen
* @since Twenty Thirteen 1.0
*/

get_header(); ?>

    <div id="primary" class="content-area">
        <div id="content" class="site-content" role="main">

     
        <?php if ( have_posts() ) : ?>
            <header class="archive-header">
            <?php if ( category_description() ) : // Show an optional category description ?>
                <p> </p>
                <h3><?php printf( single_cat_title( '', true )  );?></h3>
                <p class="archive-title"><?php printf( __(category_description(), 'twentythirteen' ), single_cat_title( '', false ) ); ?></p>             
                <?php endif; ?>
            </header><!-- .archive-header -->

            <?php /* The loop */ ?>
            <?php while ( have_posts() ) : the_post(); ?>
                <?php get_template_part( 'content', get_post_format() ); ?>
            <?php endwhile; ?>

            <?php twentythirteen_paging_nav(); ?>

        <?php else : ?>
            <?php get_template_part( 'content', 'none' ); ?>
        <?php endif; ?>

        </div><!-- #content -->
    </div><!-- #primary -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>