diff --git a/1.1-To-Arkenfox-or-Not.md b/1.1-To-Arkenfox-or-Not.md
index 6d032fc..c0842b1 100644
--- a/1.1-To-Arkenfox-or-Not.md
+++ b/1.1-To-Arkenfox-or-Not.md
@@ -24,10 +24,12 @@ Some of these solutions are the default, or will be. Others are easily set in Fi
 
 Now you can start enjoying [some](https://privacytests.org/) of the [Tor Level protections](https://blog.torproject.org/tor-browser-advancing-privacy-innovation/) arkenfox has enjoyed since Firefox 52.
 
-After that, the benefits get incrementally smaller, but they do add up: your mileage will vary depending on your needs. Each arkenfox release generally sees the number of prefs flipped decrease, and we've been doing this since the _Before Times_. We hope that arkenfox will one day become obsolete.
+After that, the benefits get incrementally smaller, but they do add up: your mileage will vary depending on your needs. Each arkenfox release generally sees the number of prefs flipped decrease, and we've been doing this since the _Before Times_. We hope that arkenfox will one day become obsolete <sup>2</sup>.
 
 <sup>1</sup> Sanitizing refers to clearing site and other data such as caches and histories.
 
+<sup>2</sup> Hopefully before the Canadian Rockies wear away to a plain <sup>[50 – 60 million years](https://en.wikipedia.org/wiki/Timeline_of_the_far_future)</sup>, assuming a rate of 60 Bubnoff units.
+
 🟪 **FINGERPRINTING**
 
 Most of the above deals with [state](https://developer.mozilla.org/en-US/docs/Web/Privacy/State_Partitioning) <sup>1</sup> and other cross-origin linkability mechanisms such as navigational tracking.