diff --git a/src/Client.php b/src/Client.php
index 4b003a0..c9c8c66 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -34,7 +34,7 @@ class Client implements Interfaces\ClientInterface
 
     /**
      * Configuration of connection
-     * @var Config
+     * @var ConfigInterface
      */
     private $_config;