diff --git a/README.md b/README.md
index 9d7b613..94d1ffe 100644
--- a/README.md
+++ b/README.md
@@ -191,6 +191,7 @@ This removes:
 * any iptables/ip6tables **FORWARD** rules added by Pawdance  
 
 (Kernel forwarding sysctls remain as you set them.)
+useful if script was terminated forcefully. Or you wanna remove tun from server. 
 
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