Update tl;dr.md

en/tl;dr.md

 ## tl;dr
 
-- [Hardware](http://git.card10.badge.events.ccc.de/card10/hardware)
-- [Firmware](http://git.card10.badge.events.ccc.de/card10/firmware)
-- [LogBook](/en/logbook)
-- [Interhacktions](/en/interhacktions)
-- [Hardware Overview](/en/hardware-overview)
+- [Hardware](http://git.card10.badge.events.ccc.de/card10/hardware) - hardware repo with docs and specs
+- [Firmware](http://git.card10.badge.events.ccc.de/card10/firmware) - firmware repo
+- [Firmware Docs](https://firmware.card10.badge.events.ccc.de/) - rendered version of the firmware docs
+- [LogBook](/en/logbook) - records of travellers
+- [Interhacktions](/en/interhacktions) - a guide to making apps
+- [Hardware Overview](/en/hardware-overview)  
 - [USB-C](/en/usbc)
 - [personal state](/ps)
 - [app](/app)