Update README.md

README.md

 # LetsEncryptForR1Soft
 
+Script that automatically setups a Let's Encrypt certificate for R1Soft, and handles renewal.
 
-You can add a cron every 10 days to renew your certificates :
+Here is what the script does :
+- Installs git (if not already installed)
+- Updates the following packages : nss nss-util nss-sysinit nss-tools wget curl ca-certificates openssl
+- Clones Let's Encrypt git repository (if not already cloned)
+- Stops iptables
+- Launches Let's Encrypt certificate creation/renewal
+- Starts iptables
+- Exits now if the certificate if not yet due to renewal
+- Imports the certificate into R1Soft keystore
 
-```* * */10 * * /root/SSLR1Soft.sh your@e.mail```
+Just wget the script, change execution rights and launch it (followed by email address as argument) :  
+```bash
+wget -N https://raw.githubusercontent.com/MegaS0ra/LetsEncryptForR1Soft/master/SSLR1Soft.sh ; chmod +x SSLR1Soft.sh
+```  
+```bash
+./SSLR1Soft.sh your@e.mail
+```
 
+You can add a cron every 10 days to renew your certificates :  
+```bash
+* * */10 * * /root/SSLR1Soft.sh your@e.mail
+```  
 (Let's Encrypt will only renew the cert if close to expiry).