Update README.md

README.md

@@ -19,8 +19,8 @@ Once this script is more finished, I might add a menu to toggle these more easil
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 ## Installation:
-**Requires a userscript manager browser extension:**
-> Firefox: [GreaseMonkey](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/)  
+**Requires a userscript manager browser extension. I recommend the following:**
+> Firefox: [FireMonkey](https://addons.mozilla.org/en-US/firefox/addon/firemonkey/) or [GreaseMonkey](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/)  
 > Chrome: [TamperMonkey](https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo?hl=en)  
 > Edge: [TamperMonkey](https://microsoftedge.microsoft.com/addons/detail/tampermonkey/iikmkjmpaadaobahmlepeloendndfphd)