Merge changes Ib4a3e9ca,Ifa3f69e1,I8e9d821a,I8bea08fa

* changes:
  Schedule Shane's talk on day #2
  Link scheduled talks to their details
  Schedule the 'mono-repos with Gerrit' talk on Day #2
  Add "what's new in Gerrit v3.4/v3.5" talk
diff --git a/index.md b/index.md
index 074d9b6..9429b3e 100644
--- a/index.md
+++ b/index.md
@@ -8,7 +8,7 @@
 
 ## A Virtual Summit
 
-The Gerrit Virtual User Summit & Hackathon 2021 will be held online only,
+The Gerrit Virtual User Summit 2021 will be held online only,
 to allow most of the community around the globe to attend and share their
 experience and ideas, and avoid the problems with the travelling restrictions
 due to the [COVID-19 pandemic](https://en.wikipedia.org/wiki/COVID-19).