diff --git a/README.md b/README.md
index 5d0bebf..af4d6d5 100644
--- a/README.md
+++ b/README.md
@@ -29,12 +29,16 @@ cloud-init.tf  domain.tf  network.tf  outputs.tf  pool.tf  provider.tf  variable
 - [QEMU](https://www.qemu.org/) 
 - [libvirt](https://libvirt.org/)
 - [Terraform provider for Libvirt](https://github.com/dmacvicar/terraform-provider-libvirt)
-- An SSH key pair to connect to machines that are deployed using cloud-init  
+- An SSH key pair to connect to machines that are deployed using cloud-init. See instructions below.
 
 ## Assumptions
 
 - Your Linux x86_64-based machine has at least 4 GB of available memory and 2 CPUs
 
+## Limitations
+
+- Only a deployment is supported at a time, as some resources are shared. E.g. Ubuntu cannot be deployed alongside Debian. 
+
 ## How to use it
 
 - Clone this repository