diff --git a/functions/bzip2.xml b/functions/bzip2.xml
index f637200ed8..9732671334 100644
--- a/functions/bzip2.xml
+++ b/functions/bzip2.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.17 $ -->
+<!-- $Revision: 1.18 $ -->
  <reference id="ref.bzip2">
   <title>Bzip2 Compression Functions</title>
   <titleabbrev>Bzip2</titleabbrev>
@@ -38,7 +38,8 @@
    <section id="bzip2.resources">
     <title>Resource types</title>
     <para>
-     This extension does not define any resource types.
+     This extension defines one resource type: a file pointer identifying
+     the bz2-file to work on.
     </para>
    </section>
 
@@ -101,7 +102,7 @@ bzclose($bz);
     <title>Description</title>
      <methodsynopsis>
       <type>int</type><methodname>bzclose</methodname>
-      <methodparam><type>int</type><parameter>bz</parameter></methodparam>
+      <methodparam><type>resource</type><parameter>bz</parameter></methodparam>
      </methodsynopsis>
     <para>
      Closes the bzip2 file referenced by the pointer <parameter>bz</parameter>.
@@ -234,7 +235,7 @@ print( "\n<br>\n" );
     <title>Description</title>
      <methodsynopsis>
       <type>int</type><methodname>bzerrno</methodname>
-      <methodparam><type>int</type><parameter>bz</parameter></methodparam>
+      <methodparam><type>resource</type><parameter>bz</parameter></methodparam>
      </methodsynopsis>
     <para>
      Returns the error number of any bzip2 error returned by the file
@@ -256,7 +257,7 @@ print( "\n<br>\n" );
     <title>Description</title>
      <methodsynopsis>
       <type>array</type><methodname>bzerror</methodname>
-      <methodparam><type>int</type><parameter>bz</parameter></methodparam>
+      <methodparam><type>resource</type><parameter>bz</parameter></methodparam>
      </methodsynopsis>
     <para>
      Returns the error number and error string, in an associative array,
@@ -294,7 +295,7 @@ echo $error["errstr"];
     <title>Description</title>
      <methodsynopsis>
       <type>string</type><methodname>bzerrstr</methodname>
-      <methodparam><type>int</type><parameter>bz</parameter></methodparam>
+      <methodparam><type>resource</type><parameter>bz</parameter></methodparam>
      </methodsynopsis>
     <para>
      Returns the error string of any bzip2 error returned by the file
@@ -316,7 +317,7 @@ echo $error["errstr"];
     <title>Description</title>
      <methodsynopsis>
       <type>int</type><methodname>bzflush</methodname>
-      <methodparam><type>int</type><parameter>bz</parameter></methodparam>
+      <methodparam><type>resource</type><parameter>bz</parameter></methodparam>
      </methodsynopsis>
     <para>
      Forces a write of all buffered bzip2 data for the file pointer
@@ -340,7 +341,7 @@ echo $error["errstr"];
    <refsect1>
     <title>Description</title>
      <methodsynopsis>
-      <type>int</type><methodname>bzopen</methodname>
+      <type>resource</type><methodname>bzopen</methodname>
       <methodparam><type>string</type><parameter>filename</parameter></methodparam>
       <methodparam><type>string</type><parameter>mode</parameter></methodparam>
      </methodsynopsis>
@@ -388,7 +389,7 @@ print( $decompressed_file );
     <title>Description</title>
      <methodsynopsis>
       <type>string</type><methodname>bzread</methodname>
-      <methodparam><type>int</type><parameter>bz</parameter></methodparam>
+      <methodparam><type>resource</type><parameter>bz</parameter></methodparam>
       <methodparam choice="opt"><type>int</type><parameter>length</parameter></methodparam>
      </methodsynopsis>
     <para>
@@ -431,7 +432,7 @@ print( $str );
     <title>Description</title>
      <methodsynopsis>
       <type>int</type><methodname>bzwrite</methodname>
-      <methodparam><type>int</type><parameter>bz</parameter></methodparam>
+      <methodparam><type>resource</type><parameter>bz</parameter></methodparam>
       <methodparam><type>string</type><parameter>data</parameter></methodparam>
       <methodparam choice="opt"><type>int</type><parameter>length</parameter></methodparam>
      </methodsynopsis>