diff --git a/.gitignore b/.gitignore
index d41044d..8315546 100644
--- a/.gitignore
+++ b/.gitignore
@@ -234,3 +234,4 @@ mathematica/
 godot/
 firmadorlibre/
 Upscayl/
+xournalpp/
diff --git a/emacs/init.el b/emacs/init.el
index 3fd27c7..f801790 100644
--- a/emacs/init.el
+++ b/emacs/init.el
@@ -295,6 +295,7 @@
 (global-set-key (kbd "C-=") 'text-scale-increase)
 (global-set-key (kbd "C-+") 'text-scale-increase)
 (global-set-key (kbd "C--") 'text-scale-decrease)
+(global-set-key (kbd "C-s") 'save-buffer)
 ;; Using RETURN to follow links in Org/Evil
 (with-eval-after-load 'evil-maps
   (define-key evil-motion-state-map (kbd "SPC") nil)
diff --git a/wrappers/firefox-edu b/wrappers/firefox-edu
new file mode 100755
index 0000000..f1a194b
--- /dev/null
+++ b/wrappers/firefox-edu
@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+
+HOME=$HOME/.local/share/mozilla
+mkdir -p "$HOME"
+
+exec /usr/bin/firefox -P edu "$@"