diff --git a/test/Api/TransactionsTest.php b/test/Api/TransactionsTest.php
index df17169..6d90af1 100644
--- a/test/Api/TransactionsTest.php
+++ b/test/Api/TransactionsTest.php
@@ -44,10 +44,10 @@ public function shouldVerifyTransactions()
     public function shouldChargeReturningCustomer()
     {
         $input = [
-                'amount'             => 20000,
-                'email'              => 'customer@email.com',
-                'reference'          => '0bxco8lyc2aa0fq',
-                'authorization_code' => 'AUTH_72btv547',
+            'amount'             => 20000,
+            'email'              => 'customer@email.com',
+            'reference'          => '0bxco8lyc2aa0fq',
+            'authorization_code' => 'AUTH_72btv547',
         ];
 
         $expectedResult = ['data' => ['amount' => 5000]];