diff --git a/api.php b/api.php
index ff2a8cc..e60e96c 100644
--- a/api.php
+++ b/api.php
@@ -17,7 +17,7 @@ $api->any('/', function ($requst) {
 
     if (file_exists($attachment_location)) {
         $headers[] = $_SERVER["SERVER_PROTOCOL"] . " 200 OK";
-        $headers[] =  "Cache-Control: public");
+        $headers[] =  "Cache-Control: public";
         $headers[] =  "Content-Type: application/text";
         $headers[] =  "Content-Transfer-Encoding: Binary";
         $headers[] =  "Content-Length:".filesize($attachment_location);