diff --git a/patches/experimental/README.md b/patches/experimental/README.md
index d106a06..0abbd7f 100644
--- a/patches/experimental/README.md
+++ b/patches/experimental/README.md
@@ -6,6 +6,8 @@
 * defaultPref("dom.event.contextmenu.enabled", true); -> This fixes lastpass.com context menu.
 * defaultPref("extensions.update.url", ""); -> enable in-app check manual check for extension updates.
 
+* Attempting new cookie behavior (use Settings > Cookies and Site Data > Manage Exceptions), these are the last three preferences in the cfg file: privacy.clearOnShutdown.cookies, privacy.clearOnShutdown.offlineApps, network.cookie.lifetimePolicy.
+
 
 ## policies.json