diff --git a/docs/configuration.md b/docs/configuration.md
index 07a3c1cf..948c871e 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -217,7 +217,7 @@ public function getServiceConfig()
                 'enabled'                        => true,
                 'default_lifetime'               => 3600,
                 'default_lock_lifetime'          => 60,
-                'set_file_lock_region_directory' => __DIR__ . '/../my_dir',
+                'file_lock_region_directory' => __DIR__ . '/../my_dir',
                 'regions'                        => array(
                     'My\Region\Name' => array(
                         'lifetime'      => 20,