diff --git a/user.js b/user.js
index 633ecae..914889b 100644
--- a/user.js
+++ b/user.js
@@ -1619,6 +1619,7 @@ user_pref("_user.js.parrot", "5000 syntax error: this is an ex-parrot!");
    // user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line
 /* UX BEHAVIOR ***/
    // user_pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing
+   // user_pref("browser.quitShortcut.disabled", true); // disable Ctrl-Q quit shortcut [LINUX] [MAC] [FF87+]
    // user_pref("browser.tabs.closeWindowWithLastTab", false);
    // user_pref("browser.tabs.loadBookmarksInTabs", true); // open bookmarks in a new tab [FF57+]
    // user_pref("browser.urlbar.decodeURLsOnCopy", true); // see bugzilla 1320061 [FF53+]