WordPress registering a sidebar

functions.php

<?php 
function desh_widgets_init() {
	register_sidebar( array(
		'name'          => __( 'Sidebar', 'twentysixteen' ),
		'id'            => 'blogroll',
		'description'   => __( 'Add widgets here to appear in your sidebar.', 'twentysixteen' ),
		'before_widget' => '<div id="%1$s" class="widget %2$s">',
		'after_widget'  => '</div>',
		'before_title'  => '<h5>',
		'after_title'   => '</h5>',
	) );
}
add_action( 'widgets_init', 'desh_widgets_init' );

sidebar.php

<?php dynamic_sidebar( 'blogroll' ); ?>