diff --git a/examples/mirror-to-mirror.sh b/examples/mirror-to-mirror.sh
index de85d9ca..fa7e88b5 100644
--- a/examples/mirror-to-mirror.sh
+++ b/examples/mirror-to-mirror.sh
@@ -1,9 +1,24 @@
 #!/bin/bash
+#
+# This script syncs the entire repo to the primary mirrors.  It is
+# meant to run in a cronjob quite frequently, as often as there are
+# files to send.
+#
+# This script expects the receiving side to have the following
+# preceeding the ssh key entry in ~/.ssh/authorized_keys:
+#   command="rsync --server -logDtpre.iLsfx --log-format=X --delete --delay-updates . /path/to/htdocs/fdroid/",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty
+#
 set -e
 (
 flock -n 200
 set -e
 cd /home/fdroid
-rsync --delay-updates --progress -a --delete /home/fdroid/public_html/archive/ fdroid@fdroid-mirror.at.or.at:/srv/fdroid-mirror.at.or.at/htdocs/fdroid/archive/
-rsync --delay-updates --progress -a --delete /home/fdroid/public_html/repo/ fdroid@fdroid-mirror.at.or.at:/srv/fdroid-mirror.at.or.at/htdocs/fdroid/repo/
+for section in repo archive; do
+    for host in fdroid@mirror.f-droid.org; do
+	# be super careful with the trailing slashes here! if one is wrong, it'll delete the entire section!
+	rsync --archive --delay-updates --progress --delete \
+	      /home/fdroid/public_html/${section} \
+	      ${host}:/srv/fdroid-mirror.at.or.at/htdocs/fdroid/
+    done
+done
 ) 200>/var/lock/root_fdroidmirrortomirror