diff --git a/src/Cards/Card.php b/src/Cards/Card.php
index 8779f4f..98eca05 100644
--- a/src/Cards/Card.php
+++ b/src/Cards/Card.php
@@ -164,7 +164,7 @@ public function brand()
     }
 
     /**
-     * @param $cvc
+     * @param  $cvc
      * @return bool
      */
     public function isValidCvc($cvc)
diff --git a/src/ExpirationDateValidator.php b/src/ExpirationDateValidator.php
index 5f93ebf..9e7cef9 100644
--- a/src/ExpirationDateValidator.php
+++ b/src/ExpirationDateValidator.php
@@ -49,7 +49,7 @@ public function isValid()
     }
 
     /**
-     * @param $year
+     * @param  $year
      * @return $this
      */
     protected function setYear($year)