diff --git a/src/ConnectorInterface.php b/src/ConnectorInterface.php
index 9767d074f..63f265f61 100644
--- a/src/ConnectorInterface.php
+++ b/src/ConnectorInterface.php
@@ -33,7 +33,7 @@ public function bind(
      *
      * @param string|null $username
      * @param string|null $password Null for passwordless logon
-     * @param string|null $mech 
+     * @param string|null $mech
      * @param string|null $realm
      * @param string|null $authcId
      * @param string|null $authzId