diff --git a/README.md b/README.md
index d2d003b..d5b1520 100644
--- a/README.md
+++ b/README.md
@@ -245,6 +245,8 @@ if the system runs nvidia, follow the steps in [nvidia.md](nvidia.md) to set up
 - firefox
   - settings > select the option to set firefox as default browser
   - extensions icon > manage extensions > themes > enable theme `activist - bold`
+    - https://addons.mozilla.org/en-US/firefox/addon/activist-bold_/
+    - alt: https://addons.mozilla.org/en-US/firefox/addon/neon-sign-shine/
   - install dictionaries for 
     - [en-AU](https://addons.mozilla.org/en-US/firefox/addon/english-australian-dictionary/) and 
     - [no-NB](https://addons.mozilla.org/en-US/firefox/addon/norsk-bokm%C3%A5l-ordliste/)