diff --git a/README.md b/README.md
index 7e3f3c3..86983b7 100644
--- a/README.md
+++ b/README.md
@@ -22,5 +22,7 @@ import "pndpd/pndp"
 pndp.SimpleRespond(iface string, filter []*net.IPNet)
 
 pndp.Proxy(iface1, iface2 string)
+
+pndp.WaitForSignal()
 ````
 Pull request are welcome for any functionality you add.
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