diff --git a/doc/source/devref/usage.rst b/doc/source/devref/usage.rst
index b9b07065..9c199643 100644
--- a/doc/source/devref/usage.rst
+++ b/doc/source/devref/usage.rst
@@ -22,6 +22,15 @@ required.  The nova-powervm driver should be installed on the management VM.
 
 .. _NovaLink: http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=AN&subtype=CA&htmlfid=897/ENUS215-262&appname=USN
 
+**Note:** Installing the NovaLink software creates the ``pvm_admin`` group.  In
+order to function properly, the user executing the Nova compute service must
+be a member of this group.  Use the ``usermod`` command to add the user.  For
+example, to add the user ``stacker`` to the ``pvm_admin`` group, execute::
+
+  sudo usermod -a -G pvm_admin stacker
+
+The user must re-login for the change to take effect.
+
 The NovaLink architecture is such that the compute driver runs directly on the
 PowerVM system.  No external management element (e.g. Hardware Management
 Console or PowerVC) is needed.  Management of the virtualization is driven
diff --git a/doc/source/index.rst b/doc/source/index.rst
index 6cfbe009..2417cd53 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -27,7 +27,7 @@ mirror those of the Nova project.
 Documentation on Nova can be found at the `Nova Devref`_.
 
 .. _`PowerVM`: http://www-03.ibm.com/systems/power/software/virtualization/
-.. _`Nova Devref`: http://docs.openstack.org/developer/nova/devref
+.. _`Nova Devref`: http://docs.openstack.org/developer/nova
 
 Nova-PowerVM Overview
 =====================