diff --git a/4.1-Extensions.md b/4.1-Extensions.md
index 09575db..96765c1 100644
--- a/4.1-Extensions.md
+++ b/4.1-Extensions.md
@@ -50,8 +50,8 @@ These extensions will not mask or alter any data sent or received, but may be us
   - ⚠️ No longer maintained, the last commit was April 2020 except for a [one-off patch](https://github.com/gorhill/uMatrix/releases/tag/1.4.2) to fix a [vulnerability](https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc)
   - Everything uMatrix did can be covered by prefs or other extensions: use uBlock Origin for any content blocking.
 * NoScript, Ghostery, Disconnect, Privacy Badger, etc
-  - Redundant with uBlock Origin
-  - Note: Privacy Badger is easily [detected](https://adtechmadness.wordpress.com/2020/03/27/detecting-privacy-badgers-canvas-fp-detection/), and [no longer](https://www.eff.org/deeplinks/2020/10/privacy-badger-changing-protect-you-better) uses [heuristics](https://www.eff.org/privacybadger/faq#How-does-Privacy-Badger-work)
+  - Redundant with [Total Cookie Protection](https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/) (dFPI) or FPI
+  - Note: Privacy Badger [no longer](https://www.eff.org/deeplinks/2020/10/privacy-badger-changing-protect-you-better) uses [heuristics](https://www.eff.org/privacybadger/faq#How-does-Privacy-Badger-work) by default, and enabling it makes you easily [detected](https://adtechmadness.wordpress.com/2020/03/27/detecting-privacy-badgers-canvas-fp-detection/)
 * Neat URL, ClearURLs
   - Redundant with uBlock Origin's [`removeparam`](https://github.com/gorhill/uBlock/wiki/Static-filter-syntax#removeparam) and added lists. Any potential extra coverage provided by additional extensions is going to be minimal
 * HTTPS Everywhere