diff --git a/README.rst b/README.rst
index d1702ac..549b68d 100644
--- a/README.rst
+++ b/README.rst
@@ -30,6 +30,8 @@
         workers: 8
         report_interval: 60
         dhcp_domain: novalocal
+        concurrency:
+          lock_path: '/var/lib/nova/tmp'
         consoleauth:
           token_ttl: 600
         bind:
@@ -294,6 +296,8 @@
         resume_guests_state_on_host_boot: False
         preallocate_images: space  # Default is 'none'
         my_ip: 10.1.0.16
+        concurrency:
+          lock_path: '/var/lib/nova/tmp'
         bind:
           vnc_address: 172.20.0.100
           vnc_port: 6080