better commas

Co-Authored-By: Matt Sicker <boards@gmail.com>
diff --git a/pages/index.ad b/pages/index.ad
index 294250b..d582a09 100644
--- a/pages/index.ad
+++ b/pages/index.ad
@@ -17,7 +17,7 @@
 The Incubator delegates a few mentors for each podling, as "on the
 ground" agents to act as liaisons with the various ASF teams:
 link:http://incubator.apache.org[Incubator PMC],
-link:https://selfserve.apache.org/[Infrastructure team] etc.
+link:https://selfserve.apache.org/[Infrastructure team], etc.,
 and facilitate the podling's growth and operations.
 
 Our link:http://incubator.apache.org/cookbook/[cookbook] helps