/* Add some String for Media */
function add_capbility_media( $string, $post ) {
	if ( $post ) {
		$post_type_object = get_post_type_object( $post->post_type );
	} else {
		$post_type_object = get_post_type_object( 'post' );
	}

	$new_string = array(
		// From URL.
		'insertFromUrlTitle' => __( 'Insert from URL' ),
		// Featured Images.
		'setFeaturedImageTitle'       => $post_type_object->labels->featured_image,
		'setFeaturedImage'            => $post_type_object->labels->set_featured_image,
		// Playlist.
		'createPlaylistTitle'         => __( 'Create audio playlist' ),
		// Video Playlist.
		'createVideoPlaylistTitle'    => __( 'Create video playlist' ),
	);


	return array_replace( $string, $new_string );
}
add_filter( 'media_view_strings', 'add_capbility_media', 99, 2);