diff --git a/docs/contrib/ml b/docs/contrib/ml
index 66bcf10..5eedbd3 100755
--- a/docs/contrib/ml
+++ b/docs/contrib/ml
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # ml is a mail reading interface for mh(1).  the design is that of
 # a thin wrapper (this script) which uses 'less' for message
diff --git a/docs/contrib/replyfilter b/docs/contrib/replyfilter
index c7d4643..4c1f291 100755
--- a/docs/contrib/replyfilter
+++ b/docs/contrib/replyfilter
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 #
 # replyfilter - A reply filter for nmh
 #
diff --git a/docs/contrib/vpick b/docs/contrib/vpick
index a3eb939..3578ae1 100755
--- a/docs/contrib/vpick
+++ b/docs/contrib/vpick
@@ -1,5 +1,6 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 use strict;
+use warnings;
 use vars qw($cui $list $win $VERSION);
 
 #5.12 introduced a warning about prototypes that afflicts old Curses::UI