diff --git a/ubuntu/README.md b/ubuntu/README.md
index 44135c9..267fb64 100644
--- a/ubuntu/README.md
+++ b/ubuntu/README.md
@@ -6,4 +6,6 @@ This folder contains materials for learning more about Ubuntu Linux.
 
 **ubuntu-generic**: This folder contains a Vagrant environment for spinning up a generic 64-bit Ubuntu 14.04 VM. Note there's nothing special going on here---just a plain, generic, Ubuntu VM. No custom provisioning is provided in this environment.
 
+**ubuntu-pulumi-aws**: This folder has a Pulumi program for spinning up an EC2 instance in a public subnet of a dedicated VPC. The program can create an EC2 instance that is either AMD64- or ARM64-based, and supports Ubuntu 18.04, 20.04, and 22.04. The CPU architecture and Ubuntu version are configurable via configuration values.
+
 **xenial-generic**: This folder contains a Vagrant environment for spinning up a generic Ubuntu 16.04 VM. No custom provisioning is provided in this environment.