Point to Jitsi private message as real-time medium

This may be more approachable to attendees less familiar with IRC, and
all organizers will be reachable this way.

IRC still also works, but we don't need to complicate the docs with a
third contact method.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Change-Id: I57c8ae9b4d9f3d4d6306122e00ad7445515d5775
diff --git a/index.md b/index.md
index 75a711e..051fa02 100644
--- a/index.md
+++ b/index.md
@@ -26,9 +26,9 @@
 Conduct](https://kernel.googlesource.com/pub/scm/git/git/+/master/CODE_OF_CONDUCT.md)
 applies.
 
-Please report any issues by email or IRC private message to the [event
-organizers](#team).  We will respond as described in the [Contributor
-Covenant, version
+Please report any issues by email or Jitsi Meet private message to the
+[event organizers](#team).  We will respond as described in the
+[Contributor Covenant, version
 2.0](https://www.contributor-covenant.org/version/2/0/code_of_conduct/).
 
 Concerns about the conduct of event organizers can be reported to the