文章内的代码中如何更换keywords和description为我想要的文字呢？
<?php/**
* The Header for our theme.
*
* Displays all of the <head> section and everything up till <div id="main">
*
* @package Patchwork
* @since Patchwork 1.0
*/
?><!DOCTYPE html>
<html <?php language_attributes(); ?>>
<head>
<meta charset="<?php bloginfo( 'charset' ); ?>" />
<meta name="viewport" content="width=device-width" />
<title><?php
/*
* Print the <title> tag based on what is being viewed.
*/
global $page, $paged;
wp_title( '|', true, 'right' );
// Add the blog name.
bloginfo( 'name' );
// Add the blog description for the home/front page.
$site_description = get_bloginfo( 'description', 'display' );
if ( $site_description && ( is_home() || is_front_page() ) )
echo " | $site_description";
// Add a page number if necessary:
if ( $paged >= 2 || $page >= 2 )
echo ' | ' . sprintf( __( 'Page %s', 'patchwork' ), max( $paged, $page ) );
?></title>
<link rel="profile" href="http:// />
<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
<!--[if lt IE 9]>
<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js" type="text/javascript"></script>
<![endif]-->
<?php wp_head(); ?>
</head>
<body <?php body_class(); ?>>
<div id="page" class="hfeed site">
<?php do_action( 'before' ); ?>
<header id="masthead" class="site-header" role="banner">
<hgroup>
<?php $header_image = get_header_image();
if ( ! empty( $header_image ) ) { ?>
<a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
<img src="<?php header_image(); ?>" width="<?php echo get_custom_header()->width; ?>" height="<?php echo get_custom_header()->height; ?>" alt="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" />
</a>
<?php } // if ( ! empty( $header_image ) ) ?>
<h1 class="site-title"><a href="<?php echo home_url( '/' ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
</hgroup>
</header><!-- #masthead .site-header -->
<nav role="navigation" class="site-navigation main-navigation">
<h1 class="assistive-text"><?php _e( 'Menu', 'patchwork' ); ?></h1>
<div class="assistive-text skip-link"><a href="#content" title="<?php esc_attr_e( 'Skip to content', 'patchwork' ); ?>"><?php _e( 'Skip to content', 'patchwork' ); ?></a></div>
<?php wp_nav_menu( array( 'theme_location' => 'primary' ) ); ?>
</nav>
<div id="main">
这段代码中如何更换keywords和description为我想要的文字呢？
比如说我想要加入keywords和description 欢迎来到我的BLOG
请问要怎么实现啊
