diff --git a/README.md b/README.md
index 5c521a5..20c4162 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,11 @@ Important settings are enforced/locked within `mozilla.cfg`, those settings cann
 
 - To uninstall, just remove the files you added to your Firefox's install directory; then restart Firefox.
 
+### BUGS:
+
+- Enabling a string with the value defaultPref("browser.contentblocking.category", "strict/standard/custom"); doesn't work and breaks TCP.
+Nevertheless, by using LockPref instead works. Anyway, I prefer not locking this, for example if you want to block all cookies.
+
 
 ## Thanks: