diff --git a/shhelp.sh b/shhelp.sh
index d3566ed..db08396 100644
--- a/shhelp.sh
+++ b/shhelp.sh
@@ -1,8 +1,11 @@
-#!/bin/bash -ex
+#!/usr/bin/env bash
+set -e
 
 case "$1" in
 	"advert") echo "advert <CHANNEL> : Make shbot speak the truth about himself on the specified CHANNEL."
 	;;
+	"duck") echo "help <TOPIC> : Prints a cute duck."
+	;;
 	"help") echo "help <TOPIC> : Prints help about TOPIC."
 	;;
 	"join") echo "join <CHANNEL> : Make shbot join the specified CHANNEL."