diff --git a/lib/Helpers/MetarHTTPClient.php b/lib/Helpers/MetarHTTPClient.php
index a17f007..d6cb3da 100644
--- a/lib/Helpers/MetarHTTPClient.php
+++ b/lib/Helpers/MetarHTTPClient.php
@@ -38,7 +38,7 @@ public function __construct($config = [])
     /**
      * Make a HTTP request and retrieve the body.
      * @param string $url The URL to request
-     * @return string
+     * @return \Psr\Http\Message\StreamInterface
      */
     public function getMetarAPIResponse($url)
     {