diff --git a/doc/source/admin/virtual-gpu.rst b/doc/source/admin/virtual-gpu.rst
index 83683589c80d..2acc2dcc7e6c 100644
--- a/doc/source/admin/virtual-gpu.rst
+++ b/doc/source/admin/virtual-gpu.rst
@@ -31,7 +31,7 @@ To enable virtual GPUs, follow the steps below:
 Enable GPU types (Compute)
 --------------------------
 
-#. Enable virtual functions on NVIDIA GPUs.
+#. For NVIDIA GPUs that support SR-IOV, enable the virtual functions.
 
    .. code-block:: bash
 
@@ -86,6 +86,11 @@ Enable GPU types (Compute)
 
       $ systemctl enable nvidia-sriov-manage@0000:41:00.0.service
 
+   .. note::
+
+      This is only an example and it is important to consult the relevant
+      vendor documentation for the specific devices that you have.
+
 #. Specify which specific GPU type(s) the instances would get.
 
    Edit :oslo.config:option:`devices.enabled_mdev_types`:
diff --git a/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml b/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml
index 50f82e0ec2d7..55ee4d217e0a 100644
--- a/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml
+++ b/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml
@@ -5,7 +5,8 @@ features:
 
     .. note::
 
-       After a compute host reboots, the virtual functions for the GPU must be
-       enabled again before instances will be able to use their vGPUs.
+       After a compute host reboots, if you have a GPU that supports SR-IOV,
+       then the virtual functions for the GPU must be enabled again before
+       instances will be able to use their vGPUs.
        Please see https://docs.openstack.org/nova/latest/admin/virtual-gpu.html
        for more information.