diff --git a/lib/internal/Magento/Framework/HTTP/PhpEnvironment/Request.php b/lib/internal/Magento/Framework/HTTP/PhpEnvironment/Request.php
index 4dd358783a507..540f7717bda19 100644
--- a/lib/internal/Magento/Framework/HTTP/PhpEnvironment/Request.php
+++ b/lib/internal/Magento/Framework/HTTP/PhpEnvironment/Request.php
@@ -683,7 +683,7 @@ public function has($key)
      *
      * @param string $name Header name to retrieve.
      * @param mixed|null $default Default value to use when the requested header is missing.
-     * @return bool|HeaderInterface
+     * @return bool|string
      */
     public function getHeader($name, $default = false)
     {