diff --git a/offlineimap.conf b/offlineimap.conf
index fdddae7..a84606a 100644
--- a/offlineimap.conf
+++ b/offlineimap.conf
@@ -270,6 +270,9 @@ remoterepository = RemoteExample
 # your mail periodically.  If you want that, specify how frequently to do that
 # (in minutes) here.  Fractional minutes (ie, 3.25) is allowed.
 #
+# If you want more than one account concurrently synced in this mode, don't
+# forget to set the maxsyncaccounts option accordingly.
+#
 #autorefresh = 5