diff --git a/nova/api/openstack/api_version_request.py b/nova/api/openstack/api_version_request.py
index 431acc12b636..1e0d59f544d8 100644
--- a/nova/api/openstack/api_version_request.py
+++ b/nova/api/openstack/api_version_request.py
@@ -52,7 +52,7 @@ REST_API_VERSION_HISTORY = """REST API Version History:
     * 2.10 - Allow admins to query, create and delete keypairs owned by any
              user.
     * 2.11 - Exposes forced_down attribute for os-services
-    * 2.12 - Exposes VIF net-id in os-virtual-interfaces
+    * 2.12 - Exposes VIF net_id in os-virtual-interfaces
     * 2.13 - Add project id and user id information for os-server-groups API
     * 2.14 - Remove onSharedStorage from evacuate request body and remove
              adminPass from the response body
diff --git a/nova/api/openstack/rest_api_version_history.rst b/nova/api/openstack/rest_api_version_history.rst
index 6df9ac008728..41e1b5f022e9 100644
--- a/nova/api/openstack/rest_api_version_history.rst
+++ b/nova/api/openstack/rest_api_version_history.rst
@@ -127,8 +127,8 @@ user documentation.
 2.12 (Maximum in Liberty)
 -------------------------
 
-  Exposes VIF ``net-id`` attribute in ``os-virtual-interfaces``.
-  User will be able to get Virtual Interfaces ``net-id`` in Virtual Interfaces
+  Exposes VIF ``net_id`` attribute in ``os-virtual-interfaces``.
+  User will be able to get Virtual Interfaces ``net_id`` in Virtual Interfaces
   list and can determine in which network a Virtual Interface is plugged into.
 
 2.13