shortened descriptions in Ticketing systems

README.md

@@ -477,13 +477,13 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 *Web-based ticketing system.*
 
 * [Bugzilla](http://www.bugzilla.org/) - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.
-* [Cerb](http://www.cerberusweb.com/) - A group-based e-mail management project built with a commercial open source license.
+* [Cerb](http://www.cerberusweb.com/) - Group-based e-mail management project.
 * [Flyspray](http://flyspray.org) - Web-based bug tracking system written in PHP.
-* [MantisBT](http://www.mantisbt.org/) - Another web-based bug tracking system.
-* [osTicket](http://osticket.com/) - Open source support ticket system.
-* [Otrs](http://www.otrs.com/) - A free and open-source trouble ticket system software package that a company, organization, or other entity can use to assign tickets to incoming queries and track further communications about them.
+* [MantisBT](http://www.mantisbt.org/) - Web-based bug tracking system.
+* [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](http://www.bestpractical.com/rt/) - Ticket-tracking system written in Perl.
-* [TheBugGenie](http://www.thebuggenie.com) - Open source ticket system with extremely complete users rights granularity.
+* [TheBugGenie](http://www.thebuggenie.com) - Ticket system with extensive user rights system.
 
 ## Troubleshooting
 *Troubleshooting Tools.*