diff --git a/README.md b/README.md
index eeab6929ef787819fdacc282ba212ff7ee3d6e01..22c7c10f3e96c7b7e63c87e1291de5ba063176bb 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@ For a complete build from scratch of the VTP VM image:
 ~~~
 # download packer_x.x.x_linux_amd64.zip from https://www.packer.io/downloads.html
 unzip packer_x.x.x_linux_amd64.zip
+# cd /path/to/where/you/want/packer/ && unzip ~/packer_x.x.x_linux_amd64.zip
+
 # Check the parameters in packer_files/vtp.json, especially:
 
       "qemuargs": [
@@ -15,7 +17,7 @@ unzip packer_x.x.x_linux_amd64.zip
 
 Once you're ready:
 
-./packer build -only=qemu -var headless=true packer_files/vtp.json
+sudo /path/to/where/you/unpacked/packer build -only=qemu -var headless=true packer_files/vtp.json
 ~~~
 
 If you are inside the VTP environment and want to re-run a playbook: