diff --git a/troy-api.php b/troy-api.php
index 3f9603c..56ca06b 100644
--- a/troy-api.php
+++ b/troy-api.php
@@ -1,11 +1,12 @@
 <?php
 function sendToTroy($data) {
   $url = 'https://troy-grunt.de/api.php';
-  // use key 'http' even if you send the request to https://...
   $options = array (
           'http' => array (
                   'method' => 'POST',
-                  'Content-Type' => 'application/json',
+                  'header' => array (
+                          'Content-Type: application/json'
+                  ),
                   'content' => json_encode ( $data )
           )
   );