highlight chat link

docs/README.md

@@ -12,7 +12,7 @@ Typical time between recharging the radios should be about eight days.
 
 This project is currently pre-alpha, but if you have questions please join our chat [![Join the chat at https://gitter.im/Meshtastic/community](https://badges.gitter.im/Meshtastic/community.svg)](https://gitter.im/Meshtastic/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge).
 
-This software is 100% open source and developed by a group of hobbyist experimenters.  No warranty is provided, if you'd like to improve it - we'd love your help.  Please post in the chat.  
+This software is 100% open source and developed by a group of hobbyist experimenters.  No warranty is provided, if you'd like to improve it - we'd love your help.  Please post in the [chat](https://gitter.im/Meshtastic/community).  
 
 [![Youtube video demo](desk-video-screenshot.png)](https://www.youtube.com/watch?v=WlNbMbVZlHI "Meshtastic early demo")