diff --git a/README.md b/README.md
index 08961bd..84de9ee 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 _Sync custom DNS entries in Pi-hole to OPNsense Unbound._
 
+This little service watches Pi-hole's `/etc/pihole/custom.list` file and when a change is made, it syncs it with your
+OPNsense router's Unbound host overrides. This is useful because if your Pi-hole goes offline then you will still be
+able to resolve your custom domains.
+
 ## Install
 
 1. Install pip requirements:
@@ -22,8 +26,10 @@ _Sync custom DNS entries in Pi-hole to OPNsense Unbound._
    ```shell
    sudo cp pihole-opnsense-sync.service /etc/systemd/system/pihole-opnsense-sync.service
    ```
+   The service runs as the `pihole:pihole` user.
 5. Enable and start the service:
    ```shell
    sudo systemctl enable --now pihole-opnsense-sync
+   sleep 2
    sudo systemctl status pihole-opnsense-sync
    ```
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