diff --git a/README.md b/README.md
index 9ea549b..e410f36 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,9 @@ if ($response->isSuccessful()) {
     
     $bankTransactionRef = $response->getTransactionReference();
     $websiteOrderId = $response->getTransactionId();
+} elseif ($response->isPending()) {
+    // Do temporary things until we get a success/failed tranaction response.
 } else {
     echo $response->getMessage();
 }
-```
\ No newline at end of file
+```
diff --git a/src/Message/CompletePurchaseResponse.php b/src/Message/CompletePurchaseResponse.php
index afe6717..ba2f10f 100644
--- a/src/Message/CompletePurchaseResponse.php
+++ b/src/Message/CompletePurchaseResponse.php
@@ -67,7 +67,7 @@ protected function decomposeData()
      */
     public function isSuccessful()
     {
-        return $this->isValid() && in_array($this->getCode(), array('00', '60'));
+        return $this->isValid() && $this->getCode() === '00';
     }
 
     /**
@@ -203,4 +203,4 @@ public function getTransactionId()
     {
         return $this->fields['orderId'];
     }
-}
\ No newline at end of file
+}