diff --git a/README.md b/README.md
index ad3befc..9b42fc7 100644
--- a/README.md
+++ b/README.md
@@ -409,7 +409,18 @@ acme.sh --renew -d example.com --force --ecc
 ```
 
 
-# 12. How to upgrade `acme.sh`
+# 12. How to stop cert renewal
+
+To stop renewal of a cert, you can execute:
+
+```
+acme.sh --remove -d example.com [--ecc]
+```
+
+or remove the respective directory (e.g. `~/.acme.sh/example.com`).
+
+
+# 13. How to upgrade `acme.sh`
 
 acme.sh is in constant development, so it's strongly recommended to use the latest code.
 
@@ -434,26 +445,26 @@ acme.sh --upgrade --auto-upgrade 0
 ```
 
 
-# 13. Issue a cert from an existing CSR
+# 14. Issue a cert from an existing CSR
 
 https://github.com/Neilpang/acme.sh/wiki/Issue-a-cert-from-existing-CSR
 
 
-# 14. Under the Hood
+# 15. Under the Hood
 
 Speak ACME language using shell, directly to "Let's Encrypt".
 
 TODO:
 
 
-# 15. Acknowledgments
+# 16. Acknowledgments
 
 1. Acme-tiny: https://github.com/diafygi/acme-tiny
 2. ACME protocol: https://github.com/ietf-wg-acme/acme
 3. Certbot: https://github.com/certbot/certbot
 
 
-# 16. License & Others
+# 17. License & Others
 
 License is GPLv3
 
@@ -462,7 +473,7 @@ Please Star and Fork me.
 [Issues](https://github.com/Neilpang/acme.sh/issues) and [pull requests](https://github.com/Neilpang/acme.sh/pulls) are welcome.
 
 
-# 17. Donate
+# 18. Donate
 Your donation makes **acme.sh** better:
 
 1. PayPal/Alipay(支付宝)/Wechat(微信): [https://donate.acme.sh/](https://donate.acme.sh/)
diff --git a/acme.sh b/acme.sh
index 48297c7..dbcc872 100755
--- a/acme.sh
+++ b/acme.sh
@@ -5017,7 +5017,7 @@ Commands:
   --renew, -r              Renew a cert.
   --renew-all              Renew all the certs.
   --revoke                 Revoke a cert.
-  --remove                 Remove the cert from $PROJECT
+  --remove                 Remove the cert from list of certs known to $PROJECT_NAME.
   --list                   List all the certs.
   --showcsr                Show the content of a csr.
   --install-cronjob        Install the cron job to renew certs, you don't need to call this. The 'install' command can automatically install the cron job.