diff --git a/README.md b/README.md
index a9c94be..3c59c14 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,10 @@ Nix VM with Debian + GUI
 Username: `debian`
 Password: `nixos`
 
+0. Clean the VM:
+`nh os clean all`
+`rm ~/.local/share/debian-vm/debian-persistent.qcow2`
+
 1. Build the VM:
 ```bash
 nix-build vm.nix -A system.build.customVM