Fix the language of bugzilla

Pearl -> Perl

README.md

@@ -799,7 +799,7 @@ See https://staticsitegenerators.net and https://www.staticgen.com
   * [osTicket](http://osticket.com/) - Simple support ticket system.
   * [OTRS](http://www.otrs.com/) - Trouble ticket system for assigning tickets to incoming queries and tracking further communications.
   * [Request Tracker](https://www.bestpractical.com/rt/) - Ticket-tracking system written in Perl.
-  * [Bugzilla](https://www.bugzilla.org/) - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project. `MPLv2` `Pearl`
+  * [Bugzilla](https://www.bugzilla.org/) - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project. `MPLv2` `Perl`
   * [Bumpy Booby](http://bumpy-booby.derivoile.fr/) - A simple, responsive and highly customizable PHP bug tracking system. ([Source Code](https://github.com/piero-la-lune/Bumpy-Booby)) `MIT` `PHP`
   * [Cerb](http://www.cerberusweb.com/) - Group-based e-mail management project.
   * [Flyspray](http://www.flyspray.org/) - Uncomplicated, web-based bug tracking system. ([Source Code](https://github.com/Flyspray/flyspray)) `GPLv2`