diff --git a/example.conf b/example.conf
index 09ee5f4..87bd822 100644
--- a/example.conf
+++ b/example.conf
@@ -23,6 +23,11 @@ members = jdoe wsmith @anothergroup
 writable = foo bar baz/thud
 readonly = xyzzy
 
+## You can use groups just to avoid listing users multiple times. Note
+## no writable= or readonly= lines.
+[group anothergroup]
+members = alice bill
+
 ## You can play fancy tricks by making some repositories appear with
 ## different names in different contexts. Not really supported
 ## everywhere (e.g. gitweb) and can be confusing -- experts only.