diff --git a/devices/teal/README.md b/devices/teal/README.md
index 1477b7a..6b3c62c 100644
--- a/devices/teal/README.md
+++ b/devices/teal/README.md
@@ -5,12 +5,8 @@ Principal storage server and host for most services.
 ## SystemD Services
 
 * caddy
-* cockpit
-* docker
 * restic-backup
-* restic-check
 * rustdesk
-* samba
 * sanoid
 * tailscale
 * unbound
diff --git a/services/restic-backup/readme.md b/services/restic-backup/readme.md
index e69de29..6d03287 100644
--- a/services/restic-backup/readme.md
+++ b/services/restic-backup/readme.md
@@ -0,0 +1,3 @@
+restic-backup is a systemd service to invoke restic to back up selected directories on teal to cygnus (our Synology NAS).  It is based on [restic-automic-backup-scheduler](https://github.com/erikw/restic-automatic-backup-scheduler).
+
+The systemd unit invokes the script /bin/restic_backup.sh.  The specifics of the backup source and target are defined in scripts at /etc/restic.
diff --git a/services/rustdesk/readme.md b/services/rustdesk/readme.md
index e69de29..b3fa3b9 100644
--- a/services/rustdesk/readme.md
+++ b/services/rustdesk/readme.md
@@ -0,0 +1 @@
+systemd service to enable RustDesk for remote access to teal's Gnome desktop.  Installed with the RustDesk package; configuration (if any) is done through the RustDesk UI.
diff --git a/services/sanoid/readme.md b/services/sanoid/readme.md
index e69de29..4874e2a 100644
--- a/services/sanoid/readme.md
+++ b/services/sanoid/readme.md
@@ -0,0 +1,3 @@
+Sanoid is a policy-driven snapshot management tool for ZFS filesystems.  It is configured using the TOML file at /etc/sanoid/sanoid.conf.
+
+The sanoid service is currently configured to manage snapshots for the ZFS filesystem at /mnt/storage.
diff --git a/services/tailscale/readme.md b/services/tailscale/readme.md
index e69de29..3487c03 100644
--- a/services/tailscale/readme.md
+++ b/services/tailscale/readme.md
@@ -0,0 +1,3 @@
+The tailscaled service runs the Tailscale Node Agent, which enables the Tailscale VPN.
+
+Configuration of Tailscale is done either through the Tailscale Admin Console or the Tailscale CLI.