diff --git a/Using-systemd-units-instead-of-cron.md b/Using-systemd-units-instead-of-cron.md
index d5e5ea8..77781b0 100644
--- a/Using-systemd-units-instead-of-cron.md
+++ b/Using-systemd-units-instead-of-cron.md
@@ -38,4 +38,5 @@ WantedBy=timers.target
 ```
 
 **4. Enable timer:**
+`sudo systemctl start acme_letsencrypt.timer`
 `sudo systemctl enable acme_letsencrypt.timer`
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