diff --git a/dotfiles/firefox.js b/dotfiles/firefox.js
index cc0969b..b471604 100644
--- a/dotfiles/firefox.js
+++ b/dotfiles/firefox.js
@@ -94,7 +94,9 @@ user_pref("browser.tabs.firefox-view", false);
 //Don't close on last tab
 user_pref("browser.tabs.closeWindowWithLastTab", false);
 
-// Don't allow sites to override shortcurs
+// Don't allow sites to override shortcuts
+// Also check https://www.math.cmu.edu/~gautam/sj/blog/20220329-firefox-disable-ctrl-w.html
+// Also check commit 289649e15479
 user_pref("permissions.default.shortcuts", 2);
 
 // Disable safebrowsing malware (sends hash of each file to Google)