diff --git a/doc/source/install/compute-install.rst b/doc/source/install/compute-install.rst
index 8d0d553f0..bea7dc7a0 100644
--- a/doc/source/install/compute-install.rst
+++ b/doc/source/install/compute-install.rst
@@ -188,6 +188,16 @@ Install and configure components
         ...
         lock_path = /var/lib/zun/tmp
 
+   * (Optional) If you want to run both containers and nova instances in
+     this compute node, in the ``[compute]`` section,
+     configure the ``host_shared_with_nova``:
+
+     .. code-block:: ini
+
+        [compute]
+        ...
+        host_shared_with_nova = true
+
    .. note::
 
       Make sure that ``/etc/zun/zun.conf`` still have the correct
diff --git a/doc/source/install/overview.rst b/doc/source/install/overview.rst
index e88969ebe..6deb0c4fa 100644
--- a/doc/source/install/overview.rst
+++ b/doc/source/install/overview.rst
@@ -13,6 +13,8 @@ This includes:
   to locate other OpenStack services
 - The OpenStack Networking service (``neutron``) for DHCP and network
   configuration
+- The OpenStack Placement service (``placement``) for resource tracking and
+  container allocation claiming.
 - The OpenStack Block Storage (``cinder``) provides volumes for container
   (optional).
 - The OpenStack Image service (``glance``) from which to retrieve container