Add extra field for description at the end of woocommerce archive page

add_action( 'product_cat_edit_form_fields', 'sitiweb_add_term_fields' );
 
function sitiweb_add_term_fields( $taxonomy ) {
 
	echo '<div class="form-field">
	<label for="sitiweb-text">Onderkant pagina</label>
    <textarea name="sitiweb-text" id="sitiweb-text" rows="5" cols="40"></textarea>
	<p>Beschrijving onderkant van de pagina.</p>
	</div>';
 
}

add_action( 'product_cat_edit_form_fields', 'sitiweb_edit_term_fields', 10, 2 );
 
function sitiweb_edit_term_fields( $term, $taxonomy ) {
 
	$value = get_term_meta( $term->term_id, 'sitiweb-text', true );
 
	echo '<tr class="form-field">
	<th>
		<label for="sitiweb-text">Onderkant pagina</label>
	</th>
	<td>
		<textarea name="sitiweb-text" id="sitiweb-text" rows="5" cols="40">' . esc_attr( $value ) .'</textarea>
		<p class="description">Beschrijving onderkant van de pagina.</p>
	</td>
	</tr>';
 
}
add_action( 'edited_product_cat', 'sitiweb_save_term_fields' );
add_action( 'create_product_cat', 'sitiweb_save_term_fields' );
 
function sitiweb_save_term_fields( $term_id ) {
 	   $allowed_html = [
            'a'      => [
                'href'  => [],
                'title' => [],
            ],
            'br'     => [],
            'em'     => [],
            'strong' => [],
         	'h1'	 => [],
         	'h2'	 => [],
         	'h3'	 => [],
         	'h4'	 => [],
            'p'		=> [],
        ];
        $note	= wp_kses(  stripslashes($_POST[ 'sitiweb-text' ]), $allowed_html );
        update_term_meta(
            $term_id,
            'sitiweb-text',
            $note
        );
 
}

add_action('woocommerce_after_main_content','sitiweb_under_archive');
function sitiweb_under_archive(){
  if( is_product_category() ) {
	  echo get_term_meta(get_queried_object()->term_id,'sitiweb-text',true);
	}
}