diff --git a/Appendix-B:-Firefox-Add-ons.md b/Appendix-B:-Firefox-Add-ons.md
index 92bf7e3..fc3c152 100644
--- a/Appendix-B:-Firefox-Add-ons.md
+++ b/Appendix-B:-Firefox-Add-ons.md
@@ -35,16 +35,17 @@ These are all, where applicable, best configured to `deny-all` and whitelist.
 * :purple_heart: [HTTPS by default](https://addons.mozilla.org/firefox/addon/https-by-default/) | [GitHub](https://github.com/Rob--W/https-by-default) | [Web Extension](https://github.com/Rob--W/https-by-default/issues/12) & [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1370388)
   * changes the behavior for schemeless URLs typed in the location bar
 * [CanvasBlocker](https://addons.mozilla.org/firefox/addon/canvasblocker/) | [GitHub](https://github.com/kkapsner/CanvasBlocker)
-* [No Resource URI Leak](https://addons.mozilla.org/firefox/addon/no-resource-uri-leak/)
-  * note: [issue #89](https://github.com/ghacksuserjs/ghacks-user.js/issues/89) on using one of the off-by-default options in FF53+
-   * note: The add-on has stopped working in FF55: https://notabug.org/desktopd/no-resource-uri-leak/issues/14
 * [Greasemonkey](https://addons.mozilla.org/firefox/addon/greasemonkey/) | [GitHub](https://github.com/greasemonkey/greasemonkey)
   * Allows you to run [User Scripts](https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.1-User-Scripts) which can do neat things
-* [Pure URL](https://addons.mozilla.org/firefox/addon/pure-url/)
-   * Started to break in various ways since 53.02 (review) and definitely 54 (Thorin)
 * [QuickJava](https://addons.mozilla.org/firefox/addon/quickjava/)
   * Configurable toggle buttons for JS, ~~Java~~, Flash, images and more. Suggest you don't use/enable anything that will conflict, such as the Cookies toggle.
 * [Cookie Controller](https://addons.mozilla.org/firefox/addon/cookie-controller/) <sup>1</sup>
+* [Pure URL](https://addons.mozilla.org/firefox/addon/pure-url/)
+   * Started to break in various ways since 53.02 (review) and definitely 54 (Thorin)
+* :broken_heart: [No Resource URI Leak](https://addons.mozilla.org/firefox/addon/no-resource-uri-leak/) | [Cannot be ported to WE](https://addons.mozilla.org/en-US/firefox/addon/no-resource-uri-leak/reviews/860958/)
+  * note: [issue #89](https://github.com/ghacksuserjs/ghacks-user.js/issues/89) on using one of the off-by-default options in FF53+
+  * note: The add-on has [stopped working](https://notabug.org/desktopd/no-resource-uri-leak/issues/14) in FF55
+  * note: Bugzilla [863246](https://bugzilla.mozilla.org/show_bug.cgi?id=863246) will be implemented when Web Extensions only are allowed
 * :pushpin: [Self-Destructing Cookies](https://addons.mozilla.org/firefox/addon/self-destructing-cookies/) <sup>1</sup>
 * :pushpin: :triangular_flag_on_post: [Smart Referer](https://addons.mozilla.org/firefox/addon/smart-referer/)
   * [WebExtension](https://github.com/meh/smart-referer/tree/wext) under development