diff --git a/appendices/migration5.xml b/appendices/migration5.xml
index 953f945f9f..55175fa92e 100755
--- a/appendices/migration5.xml
+++ b/appendices/migration5.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
  <appendix id="migration5">
   <title>Migrating from PHP 4 to PHP 5</title>
 
@@ -408,16 +408,18 @@ Action application/x-httpd-php "/php/php-cgi.exe"
      <function>mail</function>, even in safe mode
    </simpara></listitem>
     <listitem><simpara>
-      <link linkend="ini.register-long-arrays">register_long_arrays</link> -
-      allow/disallow PHP to register the deprecated long $HTTP_*_VARS
+     <link linkend="ini.register-long-arrays">register_long_arrays</link> -
+     allow/disallow PHP to register the deprecated long $HTTP_*_VARS
    </simpara></listitem>
     <listitem><simpara>
-     session.hash_function - select a hash function (MD5 or SHA-1)
+      <link linkend="ini.session.hash-function">session.hash_function</link> -
+      select a hash function (MD5 or SHA-1)
    </simpara></listitem>
     <listitem><simpara>
-     session.hash_bits_per_character - define how many bits are stored in
-     each character when converting the binary hash data to something
-     readable (from 4 to 6)
+      <link
+       linkend="ini.session.hash-bits-per-character">session.hash_bits_per_character</link>
+      - define how many bits are stored in each character when converting the
+      binary hash data to something readable (from 4 to 6)
    </simpara></listitem>
    </itemizedlist>
   </section>
diff --git a/reference/session/ini.xml b/reference/session/ini.xml
index c883525184..1ef113a30d 100644
--- a/reference/session/ini.xml
+++ b/reference/session/ini.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.20 $ -->
+<!-- $Revision: 1.21 $ -->
 <section id="session.configuration">
  &reftitle.runtime;
  &extension.runtime;
@@ -125,6 +125,16 @@
      <entry>"1"</entry>
      <entry>PHP_INI_ALL</entry>
     </row>
+    <row>
+     <entry>session.hash_function</entry>
+     <entry>"0"</entry>
+     <entry>PHP_INI_ALL</entry>
+    </row>
+    <row>
+     <entry>session.hash_bits_per_character</entry>
+     <entry>"4"</entry>
+     <entry>PHP_INI_ALL</entry>
+    </row>
     <row>
      <entry>url_rewriter.tags</entry>
      <entry>"a=href,area=href,frame=src,input=src,form=fakeentry"</entry>
@@ -563,6 +573,45 @@
    </listitem>
   </varlistentry>
 
+  <varlistentry id="ini.session.hash-function">
+   <term>
+    <parameter>session.hash_function</parameter>
+    <type>integer</type>
+   </term>
+   <listitem>
+    <simpara>
+     <literal>session.hash_function</literal> allows you to specify the hash
+     algorithm used to generate the session IDs. '0' means MD5 (128 bits) and
+     '1' means SHA-1 (160 bits).
+    </simpara>
+    <note>
+     <para>
+      This was introduced in PHP 5.
+     </para>
+    </note>
+   </listitem>
+  </varlistentry>
+
+  <varlistentry id="ini.session.hash-bits-per-character">
+   <term>
+    <parameter>session.hash_bits_per_character</parameter>
+    <type>integer</type>
+   </term>
+   <listitem>
+    <simpara>
+     <literal>session.hash_bits_per_character</literal> allows you to define
+     how many bits are stored in each character when converting the binary
+     hash data to something readable. The possible values are '4' (0-9, a-f),
+     '5' (0-9, a-v), and '6' (0-9, a-z, A-Z, "-", ",").
+    </simpara>
+    <note>
+     <para>
+      This was introduced in PHP 5.
+     </para>
+    </note>
+   </listitem>
+  </varlistentry>
+
   <varlistentry id="ini.url-rewriter.tags">
    <term>
     <parameter>url_rewriter.tags</parameter>