Update README.md
diff --git a/xos/configurations/cord/README.md b/xos/configurations/cord/README.md
index 2a37e34..e1b2d2e 100644
--- a/xos/configurations/cord/README.md
+++ b/xos/configurations/cord/README.md
@@ -43,7 +43,7 @@
To get started on CloudLab:
* Create an experiment using the *OpenStack-CORD* profile. (You can also use the *OpenStack* profile, but choose *Kilo*
-and disable security groups.)
+with two compute nodes and disable security groups.)
* Wait until you get an email from CloudLab with title "OpenStack Instance Finished Setting Up".
* Login to the *ctl* node of your experiment and run:
```