diff --git a/README.livemedia-creator b/README.livemedia-creator
index 76ae1e0e..dee51b25 100644
--- a/README.livemedia-creator
+++ b/README.livemedia-creator
@@ -108,7 +108,7 @@ passwd -d root > /dev/null
 cat /dev/null > /dev/fstab
 
 11. Don't delete initramfs files from /boot in %post
-12. Have grub-efi in the package list
+12. Have grub-efi, memtest86+ and syslinux in the package list
 
 One drawback to using virt-install is that it pulls the packages from
 the repo each time you run it. To speed things up you either need a local
diff --git a/docs/fedora-livemedia.ks b/docs/fedora-livemedia.ks
index 752e8404..c2ca05c6 100644
--- a/docs/fedora-livemedia.ks
+++ b/docs/fedora-livemedia.ks
@@ -3,7 +3,7 @@ sshpw --username=root --plaintext randOmStrinGhERE
 # Firewall configuration
 firewall --enabled --service=mdns
 # Use network installation
-url --url="http://dl.fedoraproject.org/pub/fedora/linux/development/17/x86_64/os/"
+url --url="http://dl.fedoraproject.org/pub/fedora/linux/development/18/x86_64/os/"
 
 # X Window System configuration information
 xconfig  --startxonboot
diff --git a/src/sbin/livemedia-creator b/src/sbin/livemedia-creator
index 0aa7dfd6..3e0b23ad 100755
--- a/src/sbin/livemedia-creator
+++ b/src/sbin/livemedia-creator
@@ -673,7 +673,11 @@ if __name__ == '__main__':
         sys.exit(1)
 
     if not opts.no_virt and not libvirt:
-        log.error("virt-install requires libvirt to be installed.")
+        log.error("virt-install requires libvirt-python to be installed.")
+        sys.exit(1)
+
+    if not opts.no_virt and not os.path.exists("/usr/bin/virt-install"):
+        log.error("virt-install requires python-virtinst to be installed.")
         sys.exit(1)
 
     if opts.no_virt and not os.path.exists("/usr/sbin/anaconda"):