Update 'README.md'

README.md

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-# desktop_user.js
+# # user.js | Firefox ESR, Firefox and Firefox Nightly.
+This a is a fork of the arkenfox project.
 
-user.js file for configuring and hardening Firefox privacy.-
+The `user.js` file is for configuring and hardening Firefox privacy.-
+
+## Goals
+
+* enhance privacy
+* improve performance
+* better fingerprint possible
+* reduce automatic connections to the minimum posible
+
+## Considerations
+
+This user.js is a fork from the arkenfox project with a substantial divergence. It tries to avoid all the automatic connections even though security could be reduced slightly.
+For instance OSCP is a privacy breach. Nevertheless, it is also a security feature. This user.js disables them as well as safebrowsing, automatic addons connections and so on. You will have to check manually updates of addons in the related preferences section.
+
+However, 2 connections could not be blocked anymore:
+-firefox.settings.services.mozilla.com
+-content-signature-2.cdn.mozilla.net
+So you'll have to add them to the host list of your OS.
+
+## Thanks:
+
+I really thank the following authors:
+
+* [Arkenfox] (https://github.com/arkenfox/user.js) - The majority of this user.js and updates.
+* [Quindecim] (https://git.nixnet.xyz/quindecim/mobile_user.js) - Some unique strings.