try to fix formatting

Author: njsmith

Diff for: index.md

@@ -10,9 +10,11 @@ We'll start at **9:30 am** (Austin time, 14:30 UTC) on **July 11**
 in **room 104** of the
 [AT&T Center at UT Austin](http://www.meetattexas.com/).
 
-*
-  [Google Hangout for remote attendees](https://hangouts.google.com/call/2z2tx37hbncljbvrrjkh66wetqe)
+* [Google Hangout for remote attendees](https://hangouts.google.com/call/2z2tx37hbncljbvrrjkh66wetqe)
   (PLEASE MUTE YOUR MICROPHONE if you are local or not talking)
+  * [Fallback hangout if the previous hangout is full](https://hangouts.google.com/hangouts/_/berkeley.edu/compilersworkshop2)
+  -- this is slightly broken for inscrutable Google-related reasons --
+  if trying to join please let us know in gitter and then be patient
 * [Shared notes](https://docs.google.com/document/d/1jGksgI96LdYQODa9Fca7EttFEGQfNODphVmbCX0DD1k/edit?usp=sharing) (world writeable)
 * [Shared folder](https://drive.google.com/open?id=0B7lxgmXY3xBLM2JFa0dlaXc3bXM)
   (feel free to add new shared documents here -- the folder is world