diff --git a/docs/CANCEL-EXAMPLE.md b/docs/CANCEL-EXAMPLE.md
index e9c9f28f..300999c2 100644
--- a/docs/CANCEL-EXAMPLE.md
+++ b/docs/CANCEL-EXAMPLE.md
@@ -95,5 +95,5 @@ $order = createCancelOrder(get_class($pos), $lastResponse, $ip);
 
 $pos->cancel($order);
 $response = $pos->getResponse();
-dump($response);
+var_dump($response);
 ```
diff --git a/docs/REFUND-EXAMPLE.md b/docs/REFUND-EXAMPLE.md
index c757718a..3b58b9e5 100644
--- a/docs/REFUND-EXAMPLE.md
+++ b/docs/REFUND-EXAMPLE.md
@@ -81,5 +81,5 @@ $order = createRefundOrder(get_class($pos), $lastResponse, $ip);
 
 $pos->refund($order);
 $response = $pos->getResponse();
-dump($response);
+var_dump($response);
 ```
diff --git a/docs/STATUS-EXAMPLE.md b/docs/STATUS-EXAMPLE.md
index 7f16e3b7..ec0cefb0 100644
--- a/docs/STATUS-EXAMPLE.md
+++ b/docs/STATUS-EXAMPLE.md
@@ -83,5 +83,5 @@ $order = createStatusOrder(get_class($pos), $lastResponse, $ip);
 
 $pos->status($order);
 $response = $pos->getResponse();
-dump($response);
+var_dump($response);
 ```