fix: minor change in the readme

README.md

@@ -7,7 +7,8 @@ Install and configure Fail2ban
 
 ## Requirements
 
-None
+* Ansible >= 2.2
+* Debian Stretch
 
 ## Role variables
 
@@ -17,11 +18,14 @@ None
 * `fail2ban_maxretry` - default max retry before a ban (default: `6`)
 * `fail2ban_ignoreip` - array with the ips ignored
 * `fail2ban_filters` - array with custom filters
+
 ```
   - name: web
     failregex: Login failed.*Remote IP.*'<HOST>' 
 ```
-* `fail2ban_jails` -  array with the modules to enable
+
+* `fail2ban_jails` -  array with the jails to enable
+
 ```
   - name: web
     logpath: /var/log/web.log
@@ -35,6 +39,7 @@ None
 ## How to use
 
  * Install:
+
 ```
 - hosts: server
   roles: