diff --git a/README.md b/README.md
index a720e0d..34c9203 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,8 @@ The variable `certbot_install_from_source` controls whether to install Certbot f
 
 By default, this role configures a cron job to run under the provided user account at the given hour and minute, every day. The defaults run `certbot renew` (or `certbot-auto renew`) via cron every day at 03:30:00 by the user you use in your Ansible playbook. It's preferred that you set a custom user/hour/minute so the renewal is during a low-traffic period and done by a non-root user account.
 
+`certbot_force` is use to regenerate certificate same is one already exist
+
 ### Automatic Certificate Generation
 
 Currently there is one built-in method for generating new certificates using this role: `standalone`. Other methods (e.g. using nginx or apache and a webroot) may be added in the future.
@@ -51,6 +53,8 @@ A list of domains (and other data) for which certs should be generated. You can
 
 The `certbot_create_command` defines the command used to generate the cert.
 
+role add ssl config file to nginx
+
 #### Standalone Certificate Generation
 
     certbot_create_standalone_stop_services: