diff --git a/reference/sockets/reference.xml b/reference/sockets/reference.xml
index fc577f3b44..07d333865d 100644
--- a/reference/sockets/reference.xml
+++ b/reference/sockets/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.11 $ -->
+<!-- $Revision: 1.12 $ -->
  <reference id="ref.sockets">
   <title>Socket functions</title>
   <titleabbrev>Sockets</titleabbrev>
@@ -205,7 +205,8 @@ if ($result < 0) {
     echo "OK.\n";
 }
 
-$in = "HEAD / HTTP/1.0\r\n\r\n";
+$in = "HEAD / HTTP/1.1\r\n";
+$in .= "Host: www.example.com\r\n\r\n";
 $out = '';
 
 echo "Sending HTTP HEAD request...";