diff --git a/readme.md b/readme.md
index 4125bde..13e7bc1 100644
--- a/readme.md
+++ b/readme.md
@@ -7,8 +7,8 @@
 
 ## port forwarding
 
-  echo 'net.ipv4.ip_unprivileged_port_start=80' | sudo tee -a /etc/sysctl.conf
-  sudo sysctl -w net.ipv4.ip_unprivileged_port_start=80
+    echo 'net.ipv4.ip_unprivileged_port_start=80' | sudo tee -a /etc/sysctl.conf
+    sudo sysctl -w net.ipv4.ip_unprivileged_port_start=80
 
 ## beta release