diff --git a/app/code/Magento/Config/Test/Unit/Model/Config/Backend/EncryptedTest.php b/app/code/Magento/Config/Test/Unit/Model/Config/Backend/EncryptedTest.php
index ee04a4ec0817f..54a9bf0ba8b2e 100644
--- a/app/code/Magento/Config/Test/Unit/Model/Config/Backend/EncryptedTest.php
+++ b/app/code/Magento/Config/Test/Unit/Model/Config/Backend/EncryptedTest.php
@@ -87,9 +87,9 @@ public function testProcessValue()
      * @covers \Magento\Config\Model\Config\Backend\Encrypted::beforeSave
      * @dataProvider beforeSaveDataProvider
      *
-     * @param $value
-     * @param $expectedValue
-     * @param $encryptMethodCall
+     * @param string $value
+     * @param string $expectedValue
+     * @param int $encryptMethodCall
      */
     public function testBeforeSave($value, $expectedValue, $encryptMethodCall)
     {