Updated Appendix B: Firefox Add ons (markdown)

Appendix-B:-Firefox-Add-ons.md

@@ -7,12 +7,12 @@ Add-ons can be more powerful than a preference, such as offering whitelists/blac
 If you would like to submit a privacy or security related add-on (it *must* be e10s compatible) to be added to this list, please post the details [here](https://github.com/ghacksuserjs/ghacks-user.js/issues/12) for consideration, thanks.
 
 Legend:
-* :white_check_mark: WebExtension
-* :green_heart: Web Extension under development
-* :purple_heart: Web Extension maybe / depends
-* :broken_heart: Web Extension nah
-* :pushpin: Not e10s compatible
-* :triangular_flag_on_post: missing `multiprocessCompatible` flag
+- :white_check_mark: Web Extension
+- :green_heart: Web Extension under development
+- :purple_heart: Web Extension maybe / depends
+- :broken_heart: Web Extension nah
+- :pushpin: Not e10s compatible
+- :triangular_flag_on_post: missing `multiprocessCompatible` flag
    * this means it will be disabled by ~~FF53+~~ FF55+
 
 ### :small_orange_diamond: Recommended Web Extensions
@@ -26,6 +26,7 @@ Legend:
 ### :small_orange_diamond: Recommended Add-ons
 These are all, where applicable, best configured to `deny-all` and whitelist.
 
+Add-ons:
 * :green_heart: [uBlock Origin](https://addons.mozilla.org/firefox/addon/ublock-origin/) | [GitHub](https://github.com/gorhill/uBlock)
   * Essential if you are not using Mozilla's Tracking Protection and Safe Browsing
 * :green_heart: [uMatrix](https://addons.mozilla.org/firefox/addon/umatrix/) | [GitHub](https://github.com/gorhill/uMatrix)