diff --git a/Creational/Pool/Worker.php b/Creational/Pool/StringReverseWorker.php
similarity index 100%
rename from Creational/Pool/Worker.php
rename to Creational/Pool/StringReverseWorker.php
diff --git a/Creational/Pool/Tests/TestWorker.php b/Creational/Pool/Tests/TestWorker.php
deleted file mode 100644
index 3cfbef5..0000000
--- a/Creational/Pool/Tests/TestWorker.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-namespace DesignPatterns\Creational\Pool\Tests;
-
-class TestWorker
-{
-    public $id = 1;
-}
diff --git a/Creational/Pool/Pool.php b/Creational/Pool/WorkerPool.php
similarity index 92%
rename from Creational/Pool/Pool.php
rename to Creational/Pool/WorkerPool.php
index 7dcc6e3..48e88b0 100644
--- a/Creational/Pool/Pool.php
+++ b/Creational/Pool/WorkerPool.php
@@ -4,7 +4,9 @@ namespace DesignPatterns\Creational\Pool;
 
 class Pool
 {
-    private $instances = array();
+    private $instances = [];
+
+
     private $class;
 
     public function __construct($class)