diff --git a/Guix.org b/Guix.org
index 548aae5..30a32c3 100644
--- a/Guix.org
+++ b/Guix.org
@@ -654,7 +654,7 @@ fi
 #     pkexec nmcli con modify "$CONN" ipv6.method ignore
 #     nmcli connection up "$CONN"
 # fi
-pkexec openvpn --config ~/.vpn/sqrtminusone-${hostname}.ovpn
+pkexec openvpn --config ~/.vpn/sqrtminusone-$(hostname).ovpn
 #+end_src
 
 *** +vpn-stop+
@@ -761,6 +761,13 @@ Before I figure out how to package this for Guix:
 - Clone [[https://github.com/wakatime/wakatime-cli][the repo]]
 - Run ~go build~
 - Copy the binary to the =~/bin= folder
+** Docker
+Docker Compose plugin v2 isn't yet available on Guix, but can be installed as follows:
+#+begin_src sh :tangle no
+curl -SL https://github.com/docker/compose/releases/download/v2.17.2/docker-compose-linux-x86_64 -o $HOME/.docker/cli-plugins/docker-compose
+sudo chmod +x $HOME/.docker/cli-plugins/docker-compose
+#+end_src
+
 ** Manifest
 #+NAME: packages
 #+begin_src emacs-lisp :tangle no :var category=""
diff --git a/bin/scripts/vpn-start b/bin/scripts/vpn-start
index 309d1fd..c824de1 100755
--- a/bin/scripts/vpn-start
+++ b/bin/scripts/vpn-start
@@ -16,5 +16,5 @@ fi
 #     pkexec nmcli con modify "$CONN" ipv6.method ignore
 #     nmcli connection up "$CONN"
 # fi
-pkexec openvpn --config ~/.vpn/sqrtminusone-${hostname}.ovpn
+pkexec openvpn --config ~/.vpn/sqrtminusone-$(hostname).ovpn
 # vpn-start:1 ends here