Change Featured Image Meta Box Content And Title

<?php

/** CHANGE FEATURED IMAGE META BOX CONTENT **/
add_filter( 'admin_post_thumbnail_html', 'add_featured_image_instruction');
function add_featured_image_instruction( $content ) {
     $content .= '<p><i>The person image should be 92x92 pixels</i></p>';
	 
	 return str_replace(__('Set featured image'), __('Add image'),$content);
}
function people_image_box() {
 	// Remove the orginal "Set Featured Image" Metabox
	remove_meta_box('postimagediv', 'page', 'side');
 	// Add it again with another title
	add_meta_box('postimagediv', __('Person Image'), 'post_thumbnail_meta_box', 'page', 'normal', 'high');
}
add_action('do_meta_boxes', 'people_image_box');

?>