readme

1 files changed, 7 insertions, 1 deletions

diff --git a/README.rst b/README.rst
index 962c9392..e231b796 100644
--- a/README.rst
+++ b/README.rst
@@ -55,11 +55,15 @@ endpoint::
 
     export NOVA_URL=http://example.com:5000/v2.0/
 
+Since Keystone can return multiple services in the Service Catalog, you
+can specify the one you want with ``--service_name`` (or 
+``export NOVA_SERVICE_NAME``). It defaults to 'nova'.
+
 You'll find complete documentation on the shell by running
 ``nova help``::
 
     usage: nova [--username USERNAME] [--apikey APIKEY] [--projectid PROJECTID]
-                   [--url URL] [--version VERSION]
+                   [--url URL] [--version VERSION] [--service_name NAME]
                    <subcommand> ...
 
     Command-line interface to the OpenStack Nova API.
@@ -118,6 +122,8 @@ You'll find complete documentation on the shell by running
                             if undefined.
       --version VERSION     Accepts 1.0 or 1.1, defaults to
                             env[NOVA_VERSION].
+      --service_name NAME   The name in the Keystone Service Catalog
+                            to use after authentication. Defaults to 'nova'.
 
     See "nova help COMMAND" for help on a specific command.