update docs to reference project not tenant

Change-Id: Iad66e14fa33609ea6d2a115469e054762051b964
diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index 0493f8f..f3e4896 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -423,8 +423,8 @@
 ----------
 
 ``IP_VERSION`` can be used to configure DevStack to create either an
-IPv4, IPv6, or dual-stack tenant data-network by with either
-``IP_VERSION=4``, ``IP_VERSION=6``, or ``IP_VERSION=4+6``
+IPv4, IPv6, or dual-stack self service project data-network by with
+either ``IP_VERSION=4``, ``IP_VERSION=6``, or ``IP_VERSION=4+6``
 respectively.  This functionality requires that the Neutron networking
 service is enabled by setting the following options: