fix a7 description

labs/a6.md

@@ -345,12 +345,13 @@ Each script might make changes to your network stack with the intent of damaging
 ### Setup
 
 1. If you haven't already, ssh into your student VM (`[email protected]`) and clone [decal-labs][decal-labs].
-3. Go into the vm directory: `cd decal-labs/a6/vm`
+2. Go into the vm directory: `cd decal-labs/a6/vm`
+3. Make sure the decal labs repo is up to date: `git pull origin master`.
 4. Get Virtualbox: `sudo apt install virtualbox`
 5. Get Vagrant: `curl -O https://releases.hashicorp.com/vagrant/2.2.18/vagrant_2.2.18_x86_64.deb` then `sudo apt install ./vagrant_2.2.18_x86_64.deb`
 6. Get Ansible: `sudo apt install ansible`
 7. Start a Vagrant instance: `vagrant up`
-8. Enter your Vagrant instance: `ssh [email protected]`. The default password is `vagrant`.
+8. Enter your Vagrant instance: ~~`ssh [email protected]`~~`ssh [email protected]`. The default password is `vagrant`. **Update: If you're running into issues with Vagrant, re-pull the git repository and try the updated command.**
 9. The `decal-labs` repo should be available in the Vagrant instance. If it isn't there, you can `sudo apt install git` then clone it again.
 10. `cd decal-labs/a6/scenario`.