Give an example on how to specify the arguments

playbooks/transient_cloud_instance.yml

@@ -20,6 +20,9 @@
 # and go on. This way you can re-run if you want to reconfigure it without
 # reprovisioning it.
 #
+# Example command:
+# transient_cloud_instance.yml --extra-vars="name='foo'  image='Fedora-Cloud-Base-20141203-21.x86_64'"
+#
 
 - name: check/create instance
   hosts: batcave01.phx2.fedoraproject.org