diff --git a/Home.md b/Home.md
index 548b227..6d137b8 100644
--- a/Home.md
+++ b/Home.md
@@ -24,7 +24,7 @@ After issuing, the cert will be automatically renewed every 60 days.
 3) Install the cert to Proxmox:
 
 ```
-/root/.acme.sh/acme.sh  --install-cert  -d <DOMAIN>  \
+/root/.acme.sh/acme.sh  --installcert  -d <DOMAIN>  \
     --certpath /etc/pve/local/pveproxy-ssl.pem \
     --keypath /etc/pve/local/pveproxy-ssl.key  \
      --capath  /etc/pve/local/pveproxy-ssl.pem  \