diff --git a/mastodon/README.md b/mastodon/README.md
index 0d946aa..33c2333 100644
--- a/mastodon/README.md
+++ b/mastodon/README.md
@@ -22,4 +22,5 @@ And start them (as root):
 
 ```
 $ systemctl enable pg_backup_*.timer
+$ systemctl start pg_backup_*.timer
 ```