diff --git a/README.md b/README.md
index 4e58d0a..cc6b1be 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ All services below are running under Docker, except NSD because I couldn't figur
 
 ## TODO
 
+Name every docker container well
+
 ### NSD
 
 #### ZSK Rollover
@@ -37,10 +39,15 @@ Could make automatic key rollovers with cron or some other tool.
 Currently I always resign zones.
 But for idempotency I should probably only do it if the zone has changed or the keys have changed.
 
-### Backup
+### Borg Backup
 
-Borg backup?
+Ideal situation is to backup all of (and only) /data.
+Issue with Mastodon: the cache is saved at /data as well. Should put this in a location that is not backed up.
+
+After investigating, borg backup with borgmatic is excellent.
+Instead of cron, I will use systemd timers to schedule borgmatic.
+https://dev.to/bowmanjd/schedule-jobs-with-systemd-timers-a-cron-alternative-15l8
 
 ### Firewall
 
-A little more difficult because of docker networking but probably doable.
\ No newline at end of file
+A little more difficult because of docker networking but probably doable.