diff --git a/functions/ftp.xml b/functions/ftp.xml
index d26a340e79..ee9f2eb452 100644
--- a/functions/ftp.xml
+++ b/functions/ftp.xml
@@ -469,18 +469,19 @@ $upload = ftp_put ($conn_id, "$destination_file", "$source_file", FTP_ASCII);
     <title>Description</title>
     <funcsynopsis>
      <funcprototype>
-      <funcdef>int <function>ftp_rename</function></funcdef>
-      <paramdef>int <parameter>ftp_stream</parameter></paramdef>
+      <funcdef>boolean <function>ftp_rename</function></funcdef>
+      <paramdef>resource <parameter>ftp_stream</parameter></paramdef>
       <paramdef>string <parameter>from</parameter></paramdef>
       <paramdef>string <parameter>to</parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
     <para>
-     Returns &true; on success, &false; on error.</para>
+     Returns &true; on success, &false; on error.
+    </para>
     <para>
-     <function>ftp_rename</function> renames the file specified
-     by <parameter>from</parameter> to the new name
-     <parameter>to</parameter>
+     <function>ftp_rename</function> renames the file or directory
+     currently named <parameter>from</parameter> to the new name
+     <parameter>to</parameter>, on the FTP stream <parameter>ftp_stream</parameter>.
     </para>
    </refsect1>
   </refentry>