diff --git a/functions/filesystem.xml b/functions/filesystem.xml
index 23e847db38..5564e5c16b 100644
--- a/functions/filesystem.xml
+++ b/functions/filesystem.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.141 $ -->
+<!-- $Revision: 1.142 $ -->
  <reference id="ref.filesystem">
   <title>Filesystem functions</title>
   <titleabbrev>Filesystem</titleabbrev>
@@ -235,7 +235,7 @@ if (!copy($file, $file.'.bak')) {
      <para>
       As of PHP 4.3.0, both <parameter>source</parameter> and
       <parameter>dest</parameter> may be URLs if the "fopen wrappers"
-      have been enable.  See <function>fopen</function> for more details.
+      have been enabled.  See <function>fopen</function> for more details.
      </para>
     </note>
     <warning>
@@ -1322,7 +1322,10 @@ $fcontents = implode ('', file ('http://www.example.com/'));
      and a pointer to the requested file is returned. If the server
      does not support passive mode ftp, this will fail. You can open
      files for either reading or writing via ftp (but not both
-     simultaneously).
+     simultaneously).  If the remote file already exists on the ftp
+     server and you attempt to open it for writing, this will fail.
+     If you need to update existing files over ftp, use
+     <function>ftp_connect</function>.
     </simpara>
     <simpara>
      If <parameter>filename</parameter> is one of "php://stdin",