diff --git a/README.md b/README.md
index ba63897..f0da06d 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ sudo ./unninstall.sh
     blocklist="/etc/blockauth/blocklist.list"
     filelog="/etc/blockauth/blockauth.log"
     max_ip_blocklist="12500"
+    block_ports="22,80,443"
     ````
 
   * Add the service to the system startup and start it: