diff --git a/README.md b/README.md
index 9589162..3da5782 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [<img src="https://img.shields.io/badge/slack-LiteSpeed-blue.svg?logo=slack">](litespeedtech.com/slack) 
 [<img src="https://img.shields.io/twitter/follow/litespeedtech.svg?label=Follow&style=social">](https://twitter.com/litespeedtech)
 
-Install a lightweight WordPress container with OpenLiteSpeed Edge or Stable version based on Ubuntu 18.04 Linux.
+Install a lightweight WordPress container with OpenLiteSpeed Edge or Stable version based on Ubuntu 22.04 Linux.
 
 ### Prerequisites
 1. [Install Docker](https://www.docker.com/)
@@ -31,7 +31,7 @@ The docker image installs the following packages on your system:
 
 |Component|Version|
 | :-------------: | :-------------: |
-|Linux|Ubuntu 20.04|
+|Linux|Ubuntu 22.04|
 |OpenLiteSpeed|[Latest version](https://openlitespeed.org/downloads/)|
 |MariaDB|[Stable version: 10.5](https://hub.docker.com/_/mariadb)|
 |PHP|[Latest version](http://rpms.litespeedtech.com/debian/)|
@@ -139,6 +139,19 @@ Use the root domain in this command, and it will check for a certificate and aut
 ```
 ./bin/acme.sh [-D, --domain] example.com
 ```
+
+Other parameters:
+
+  * [`-r`, `--renew`]: Renew a specific domain with -D or --domain parameter if posibile. To force renew, use -f parameter.
+
+  * [`-R`, `--renew-all`]: Renew all domains if possible. To force renew, use -f parameter.  
+
+  * [`-f`, `-F`, `--force`]: Force renew for a specific domain or all domains. 
+
+  * [`-v`, `--revoke`]: Revoke a domain.  
+
+  * [`-V`, `--remove`]: Remove a domain.   
+
 ### Update Web Server
 To upgrade the web server to latest stable version, run the following:
 ```