diff --git a/README.rst b/README.rst
index 210b7ef..aeb895e 100644
--- a/README.rst
+++ b/README.rst
@@ -519,6 +519,8 @@
         bind:
           address: 172.20.0.1
           port: 9696
+        concurrency:
+          lock_path: '/var/lib/neutron/lock'
         database:
           engine: mysql
           host: 127.0.0.1