diff --git a/README.md b/README.md
index 5fa8fa1fd..32157f656 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ https://github.com/Nebukazar/OneeChan.
 ## Install
 
 ### Firefox
-Install [Greasemonkey](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/), then **[click here to install 4chan X](https://www.4chan-x.net/builds/4chan-X.user.js)**.
+Install [Greasemonkey](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/), [Violentmonkey](https://addons.mozilla.org/en-US/firefox/addon/violentmonkey/) or [Tampermonkey](https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/), then **[click here to install 4chan X](https://www.4chan-x.net/builds/4chan-X.user.js)**.
 
 Ports of Greasemonkey are available for [SeaMonkey](https://sourceforge.net/projects/gmport/) and [Pale Moon](https://github.com/janekptacijarabaci/greasemonkey/releases/latest).