"description_format"    => __( "This controls the format of Meta Descriptions.The following macros are supported:", 'all-in-one-seo-pack' ) . 
                '<ul><li>' . __( '%blog_title% - Your blog title', 'all-in-one-seo-pack' ) . '</li><li>' . 
                __( '%blog_description% - Your blog description', 'all-in-one-seo-pack' ) . '</li><li>' . 
                __( '%description% - The original description as determined by the plugin, e.g. the excerpt if one is set or an auto-generated one if that option is set', 'all-in-one-seo-pack' ) . '</li><li>' . 
                __( '%post_title% - The original title of the post', 'all-in-one-seo-pack' ) . '</li><li>' .