Source

File: wp-includes/functions.php

function wp_nonce_ays( $action ) {
	if ( 'log-out' === $action ) {
		$html = sprintf(
			/* translators: %s: Site title. */
			__( 'You are attempting to log out of %s' ),
			get_bloginfo( 'name' )
		);
		$html       .= '</p><p>';
		$redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
		$html       .= sprintf(
			/* translators: %s: Logout URL. */
			__( 'Do you really want to <a href="%s">log out</a>?' ),
			wp_logout_url( $redirect_to )
		);
	} else {
		$html = __( 'The link you followed has expired.' );
		if ( wp_get_referer() ) {
			$html .= '</p><p>';
			$html .= sprintf(
				'<a href="%s">%s</a>',
				esc_url( remove_query_arg( 'updated', wp_get_referer() ) ),
				__( 'Please try again.' )
			);
		}
	}

	wp_die( $html, __( 'Something went wrong.' ), 403 );
}