eliminate code smells

lib/WP_Async_Request.php

@@ -4,6 +4,7 @@
  *
  * @package WP-Background-Processing
  */
+
 /*
 Library URI: https://github.com/deliciousbrains/wp-background-processing/blob/fbbc56f2480910d7959972ec9ec0819a13c6150a/classes/wp-async-request.php
 Author: Delicious Brains Inc.
@@ -27,7 +28,6 @@ abstract class WP_Async_Request {
 		 * (default value: 'wp')
 		 *
 		 * @var string
-		 * @access protected
 		 */
 		protected $prefix = 'wp';
 
@@ -37,15 +37,13 @@ abstract class WP_Async_Request {
 		 * (default value: 'async_request')
 		 *
 		 * @var string
-		 * @access protected
 		 */
 		protected $action = 'async_request';
 
 		/**
 		 * Identifier
 		 *
 		 * @var mixed
-		 * @access protected
 		 */
 		protected $identifier;
 
@@ -55,7 +53,6 @@ abstract class WP_Async_Request {
 		 * (default value: array())
 		 *
 		 * @var array
-		 * @access protected
 		 */
 		protected $data = array();
 
@@ -169,7 +166,7 @@ protected function get_post_args() {
 		 * Check for correct nonce and pass to handler.
 		 */
 		public function maybe_handle() {
-			// Don't lock up other requests while processing
+			// Don't lock up other requests while processing.
 			session_write_close();
 
 			check_ajax_referer( $this->identifier, 'nonce' );