diff --git a/Optional-Hardening.md b/Optional-Hardening.md
index 2807e82..5f4b1b2 100644
--- a/Optional-Hardening.md
+++ b/Optional-Hardening.md
@@ -65,7 +65,12 @@ You can **allow exceptions** if you want to stay logged in to some sites:
 ```
 // PREF: clear browsing data on shutdown, while respecting site exceptions
 user_pref("privacy.sanitize.sanitizeOnShutdown", true);
+user_pref("privacy.clearOnShutdown.history", true);
+user_pref("privacy.clearOnShutdown.downloads", true);
+user_pref("privacy.clearOnShutdown.formdata", true);
+user_pref("privacy.clearOnShutdown.sessions", true);
 user_pref("privacy.clearOnShutdown.offlineApps", true);
+user_pref("privacy.clearOnShutdown.siteSettings", false);
 user_pref("browser.sessionstore.privacy_level", 2);
 ```