diff --git a/How-to-install.md b/How-to-install.md
index 1aa2395..6bb74b8 100644
--- a/How-to-install.md
+++ b/How-to-install.md
@@ -32,7 +32,7 @@ wget -O -  https://raw.githubusercontent.com/acmesh-official/acme.sh/master/acme
 ## 3. Or, git clone and install:
 
 ```
-git clone https://github.com/acmesh-official/acme.sh.git
+git clone --depth 1 https://github.com/acmesh-official/acme.sh.git
 cd acme.sh
 ./acme.sh --install -m my@example.com
 ```
@@ -41,7 +41,7 @@ cd acme.sh
 ## 4. Advanced installation
 
 ```
-git clone https://github.com/acmesh-official/acme.sh.git
+git clone --depth 1 https://github.com/acmesh-official/acme.sh.git
 cd acme.sh
 ./acme.sh --install  \
 --home ~/myacme \
@@ -63,6 +63,4 @@ Explanations :
 - `--accountemail` is the email used to register an account to Let's Encrypt, you will receive a renewal notice email here.
 - `--accountkey` is the file saving your account private key. By default, it's saved in `--config-home`.
 - `--useragent`  is the user-agent header value used to send to Let's Encrypt.
-- `--nocron` install acme.sh without cronjob
-
-
+- `--nocron` install acme.sh without cronjob
\ No newline at end of file