diff --git a/README.md b/README.md
index 5baf86d..0ec6a18 100644
--- a/README.md
+++ b/README.md
@@ -25,3 +25,13 @@ EDITOR=vim agenix -d "some-secret.age" -i ~/.ssh/alex.pinwheel
 
 Or use some other SSH key that is has been used to key the secret.
 
+# Test VM
+Build the test VM with the command:
+```
+cm  --build-test-vm
+```
+
+and test it with:
+```
+cm  --run-test-vm
+```