diff --git a/.config/shell/bin/sleep-until b/.config/shell/bin/sleep-until
index 5a0beaf..83cfb42 100755
--- a/.config/shell/bin/sleep-until
+++ b/.config/shell/bin/sleep-until
@@ -1,5 +1,5 @@
-#!/bin/sh
-# Usage: sleep_until <time>
+#!/bin/bash
+# Usage: sleep-until <time>
 # Ex: sleep-until 3:00 pm
 
 if [ -n "$1" ] && date --date="$*" > /dev/null 2>&1; then