update doctype and add a charset encoding
diff --git a/docs/busybox.net/header.html b/docs/busybox.net/header.html
index e8db977..02ec608 100644
--- a/docs/busybox.net/header.html
+++ b/docs/busybox.net/header.html
@@ -1,8 +1,8 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
-"http://www.w3.org/TR/REC-html40/loose.dtd">
+<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'>
 
 <html>
   <head>
+    <meta http-equiv='Content-Type' content='text/html; charset=iso-8859-1'>
     <title>BusyBox</title>
     <style type="text/css">
      body {