diff --git a/How-to-install.md b/How-to-install.md
index 145aa68..6e31dd7 100644
--- a/How-to-install.md
+++ b/How-to-install.md
@@ -35,7 +35,7 @@ wget -O -  https://raw.githubusercontent.com/acmesh-official/acme.sh/master/acme
 ```
 git clone https://github.com/acmesh-official/acme.sh.git
 cd acme.sh
-./acme.sh --install -m  my@example.com
+./acme.sh --install -m my@example.com --cert-home /etc/letsencrypt/live
 ```