diff --git a/Appendix-B:-Firefox-Add-ons.md b/Appendix-B:-Firefox-Add-ons.md
index 516da4a..1494c7d 100644
--- a/Appendix-B:-Firefox-Add-ons.md
+++ b/Appendix-B:-Firefox-Add-ons.md
@@ -37,7 +37,7 @@ These are all, where applicable, best configured to `deny-all` and whitelist.
   * changes the behavior for schemeless URLs typed in the location bar
 * :purple_heart: [QuickJava](https://addons.mozilla.org/firefox/addon/quickjava/) | [GitHub](https://github.com/ThatOneGuyDotNet/QuickJava) | [Web Extension](https://github.com/ThatOneGuyDotNet/QuickJava/issues/44)
   * Configurable toggle buttons for JS, ~~Java~~, Flash, images and more
-* [Greasemonkey](https://addons.mozilla.org/firefox/addon/greasemonkey/) | [GitHub](https://github.com/greasemonkey/greasemonkey)
+* :purple_heart: [Greasemonkey](https://addons.mozilla.org/firefox/addon/greasemonkey/) | [GitHub](https://github.com/greasemonkey/greasemonkey) | [Web Extension](https://github.com/greasemonkey/greasemonkey/milestones)
   * Allows you to run [User Scripts](https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.1-User-Scripts) which can do neat things
 * [Cookie Controller](https://addons.mozilla.org/firefox/addon/cookie-controller/) <sup>1</sup>
 * [Pure URL](https://addons.mozilla.org/firefox/addon/pure-url/)