pacman: Update README to recommend pacaur over yaourt

modules/pacman/README.md

@@ -7,11 +7,15 @@ frontends.
 Settings
 --------
 
-To enable a Pacman frontend, for example, [Yaourt][2], add the following line to
+It is possible to use a Pacman frontend with the pacman aliases provided by this
+package as long as that frontend supports the same command line options (Such as
+[Pacaur][2] or [Yaourt][3]).
+
+To enable a Pacman frontend, for example, [Pacaur][2], add the following line to
 *zpreztorc*:
 
 ```sh
-zstyle ':prezto:module:pacman' frontend 'yaourt'
+zstyle ':prezto:module:pacman' frontend 'pacaur'
 ```
 
 If you have enabled color globally in *zpreztorc*, you may disable it for certain
@@ -48,6 +52,9 @@ Aliases
 
 #### Yaourt
 
+Note that there are currently potential security concerns relating to yaourt, so
+other frontends are recommended.
+
   - `pacc` manages *.pac\** files.
 
 Functions
@@ -59,11 +66,12 @@ Functions
 Authors
 -------
 
-*The authors of this module should be contacted via the [issue tracker][3].*
+*The authors of this module should be contacted via the [issue tracker][4].*
 
   - [Benjamin Boudreau](https://github.com/dreur)
   - [Sorin Ionescu](https://github.com/sorin-ionescu)
 
 [1]: http://www.archlinux.org/pacman/
-[2]: http://archlinux.fr/yaourt-en
+[2]: https://github.com/rmarquis/pacaur
-[3]: https://github.com/sorin-ionescu/prezto/issues
+[3]: http://archlinux.fr/yaourt-en
+[4]: https://github.com/sorin-ionescu/prezto/issues