diff --git a/README.md b/README.md
index d87b1fc..e5edd2f 100644
--- a/README.md
+++ b/README.md
@@ -41,10 +41,12 @@ to the require section of your `composer.json` file.
 ```php
 use yii2mod\enum\helpers\BaseEnum;
 
-class BooleanEnum extends BaseEnum
+class PostStatus extends BaseEnum
 {
-    const YES = 1;
-    const NO = 0;
+    const PENDING = 0;
+    const APPROVED = 1;
+    const REJECTED = 2;
+    const POSTPONED = 3;
     
     /**
      * @var string message category
@@ -53,21 +55,26 @@ class BooleanEnum extends BaseEnum
      */
     public static $messageCategory = 'app';
     
+    /**
+     * @var array
+     */
     public static $list = [
-        self::YES => 'Yes',
-        self::NO => 'No'
+        self::PENDING => 'Pending',
+        self::APPROVED => 'Approved',
+        self::REJECTED => 'Rejected',
+        self::POSTPONED => 'Postponed',
     ];
 }
 ```
 ## Usage
 ```php
-BooleanEnum::getConstantsByValue() // [1 => 'YES', 0 => 'NO']
-BooleanEnum::getConstantsByName() // ['YES' => 1, 'NO' => 0]
-BooleanEnum::isValidName(1) // false
-BooleanEnum::isValidName('YES') // true
-BooleanEnum::isValidValue(1) // true
-BooleanEnum::isValidValue('Yes') // false
-BooleanEnum::listData() // [1 => 'Yes', 0 => 'No']
-BooleanEnum::getLabel(1) // Yes
-BooleanEnum::getValueByName('Yes') // 1
+PostStatus::getConstantsByValue() // ['PENDING', 'APPROVED', 'REJECTED', 'POSTPONED']
+PostStatus::getConstantsByName() // ['PENDING' => 0, 'APPROVED' => 1, 'REJECTED' => 2, 'POSTPONED' => 3]
+PostStatus::isValidName(1) // false
+PostStatus::isValidName('APPROVED') // true
+PostStatus::isValidValue(1) // true
+PostStatus::isValidValue('Approved') // false
+PostStatus::listData() // ['Pending', 'Approved', 'Rejected', 'Postponed']
+PostStatus::getLabel(1) // Approved
+PostStatus::getValueByName('Approved') // 1
 ```
diff --git a/tests/EnumTest.php b/tests/EnumTest.php
index 887f275..b72266d 100644
--- a/tests/EnumTest.php
+++ b/tests/EnumTest.php
@@ -2,7 +2,7 @@
 
 namespace yii2mod\enum\tests;
 
-use yii2mod\enum\tests\data\BooleanEnum;
+use yii2mod\enum\tests\data\PostStatus;
 
 /**
  * Class EnumTest
@@ -13,27 +13,27 @@ class EnumTest extends TestCase
 {
     public function testEnumMethods()
     {
-        $this->assertEquals([1 => 'YES', 0 => 'NO'], BooleanEnum::getConstantsByValue());
-        $this->assertEquals(['YES' => 1, 'NO' => 0], BooleanEnum::getConstantsByName());
-        $this->assertEquals([1 => 'Yes', 0 => 'No'], BooleanEnum::listData());
-        $this->assertEquals('Yes', BooleanEnum::getLabel(1));
-        $this->assertEquals('1', BooleanEnum::getValueByName('Yes'));
+        $this->assertEquals(['PENDING', 'APPROVED', 'REJECTED', 'POSTPONED'], PostStatus::getConstantsByValue());
+        $this->assertEquals(['PENDING' => 0, 'APPROVED' => 1, 'REJECTED' => 2, 'POSTPONED' => 3], PostStatus::getConstantsByName());
+        $this->assertEquals(['Pending', 'Approved', 'Rejected', 'Postponed'], PostStatus::listData());
+        $this->assertEquals('Pending', PostStatus::getLabel(PostStatus::PENDING));
+        $this->assertEquals(1, PostStatus::getValueByName('Approved'));
     }
 
     public function testValidation()
     {
-        $this->assertFalse(BooleanEnum::isValidName(1));
-        $this->assertTrue(BooleanEnum::isValidName('YES'));
-        $this->assertTrue(BooleanEnum::isValidValue(1));
-        $this->assertFalse(BooleanEnum::isValidValue('YES'));
+        $this->assertFalse(PostStatus::isValidName(1));
+        $this->assertTrue(PostStatus::isValidName('APPROVED'));
+        $this->assertTrue(PostStatus::isValidValue(1));
+        $this->assertFalse(PostStatus::isValidValue('APPROVED'));
     }
 
     public function testCreateByName()
     {
-        $enum = BooleanEnum::createByName('YES');
+        $enum = PostStatus::createByName('APPROVED');
 
-        $this->assertEquals(BooleanEnum::YES, $enum->getValue());
-        $this->assertTrue(array_key_exists($enum->getName(), BooleanEnum::getConstantsByName()));
+        $this->assertEquals(PostStatus::APPROVED, $enum->getValue());
+        $this->assertTrue(array_key_exists($enum->getName(), PostStatus::getConstantsByName()));
     }
 
     /**
@@ -41,15 +41,15 @@ public function testCreateByName()
      */
     public function testFailedCreateByName()
     {
-        BooleanEnum::createByName('not existing name');
+        PostStatus::createByName('not existing name');
     }
 
     public function testCreateByValue()
     {
-        $enum = BooleanEnum::createByValue(BooleanEnum::YES);
+        $enum = PostStatus::createByValue(PostStatus::APPROVED);
 
-        $this->assertEquals(BooleanEnum::YES, $enum->getValue());
-        $this->assertTrue(array_key_exists($enum->getName(), BooleanEnum::getConstantsByName()));
+        $this->assertEquals(PostStatus::APPROVED, $enum->getValue());
+        $this->assertTrue(array_key_exists($enum->getName(), PostStatus::getConstantsByName()));
     }
 
     /**
@@ -57,6 +57,6 @@ public function testCreateByValue()
      */
     public function testFailedCreateByValue()
     {
-        BooleanEnum::createByValue('not existing value');
+        PostStatus::createByValue('not existing value');
     }
 }
diff --git a/tests/data/BooleanEnum.php b/tests/data/BooleanEnum.php
deleted file mode 100644
index e7c0578..0000000
--- a/tests/data/BooleanEnum.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-namespace yii2mod\enum\tests\data;
-
-use yii2mod\enum\helpers\BaseEnum;
-
-/**
- * Class BooleanEnum
- *
- * @package yii2mod\enum\tests\data
- */
-class BooleanEnum extends BaseEnum
-{
-    const YES = 1;
-    const NO = 0;
-
-    /**
-     * @var string message category
-     * You can set your own message category for translate the values in the $list property
-     * Values in the $list property will be automatically translated in the function `listData()`
-     */
-    public static $messageCategory = 'app';
-
-    public static $list = [
-        self::YES => 'Yes',
-        self::NO => 'No',
-    ];
-}
diff --git a/tests/data/PostStatus.php b/tests/data/PostStatus.php
new file mode 100644
index 0000000..85ab855
--- /dev/null
+++ b/tests/data/PostStatus.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace yii2mod\enum\tests\data;
+
+use yii2mod\enum\helpers\BaseEnum;
+
+/**
+ * Class PostStatus
+ *
+ * @package yii2mod\enum\tests\data
+ */
+class PostStatus extends BaseEnum
+{
+    const PENDING = 0;
+    const APPROVED = 1;
+    const REJECTED = 2;
+    const POSTPONED = 3;
+
+    /**
+     * @var array
+     */
+    public static $list = [
+        self::PENDING => 'Pending',
+        self::APPROVED => 'Approved',
+        self::REJECTED => 'Rejected',
+        self::POSTPONED => 'Postponed',
+    ];
+}