diff --git a/4.1-Extensions.md b/4.1-Extensions.md
index 21ddb55..eea3acf 100644
--- a/4.1-Extensions.md
+++ b/4.1-Extensions.md
@@ -60,7 +60,7 @@ These extensions will not mask or alter any data sent or received, but may be us
    * 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 [hueristics](https://www.eff.org/privacybadger/faq#How-does-Privacy-Badger-work)
 * Neat URL, ClearURLs
-   * redundant with uBlock Origin's `removeparam`
+   * redundant with uBlock Origin's [`removeparam`](https://github.com/gorhill/uBlock/wiki/Static-filter-syntax#removeparam)
 * Decentraleyes, LocalCDN
   * Third parties are already isolated if you use FPI/dFPI. [Do not confuse this](https://en.wikipedia.org/wiki/XY_problem) as a solution to hide your IP. If you want to hide your IP, then use the appropriate tools
   * Decentraleyes is practically abandonware with little to no impact with [years old outdated resources](https://git.synz.io/Synzvato/decentraleyes/-/tree/master/resources)