Fix documentation link
We don't publish docs for the tempest plugin but we can refer to the
main keystone documentation.
Change-Id: I53b9751a2d875e5d431c651968d0bb202c47d5e5
diff --git a/README.rst b/README.rst
index e1f896e..e90f0bb 100644
--- a/README.rst
+++ b/README.rst
@@ -11,6 +11,6 @@
.. _`keystone developer documentation`: https://docs.openstack.org/developer/keystone/devref/development_best_practices.html#api-scenario-tests
* Free software: Apache license
-* Documentation: http://docs.openstack.org/developer/openstack
+* Documentation: https://docs.openstack.org/keystone/latest/
* Source: http://git.openstack.org/cgit/openstack/keystone-tempest-plugin
* Bugs: http://bugs.launchpad.net/keystone_tempest_plugin