diff --git a/reference/session/ini.xml b/reference/session/ini.xml
index 5f9616a865..c8b8554a9d 100644
--- a/reference/session/ini.xml
+++ b/reference/session/ini.xml
@@ -257,23 +257,30 @@
      <function>session_save_path</function>. 
     </simpara>
     <para>
-     There is an optional N argument to this directive that determines 
+     There is an optional <literal>N</literal> argument to this directive that determines 
      the number of directory levels your session files will be spread
      around in.  For example, setting to <literal>'5;/tmp'</literal>
      may end up creating a session file and location like
      <literal>/tmp/4/b/1/e/3/sess_4b1e384ad74619bd212e236e52a5a174If
-     </literal>.  In order to use N you must create all of these
+     </literal>.  In order to use <literal>N</literal> you must create all of these
      directories before use.  A small shell script exists in
      <filename>ext/session</filename> to do this, it's called
      <filename>mod_files.sh</filename>, with a Windows version called
-     <filename>mod_files.bat</filename>.  Also note that if N is
+     <filename>mod_files.bat</filename>.  Also note that if <literal>N</literal> is
      used and greater than 0 then automatic garbage collection will
      not be performed, see a copy of &php.ini; for further
-     information.  Also, if you use N, be sure to surround
+     information.  Also, if you use <literal>N</literal>, be sure to surround
      <literal>session.save_path</literal> in  
      "quotes" because the separator (<literal>;</literal>) is
      also used for comments in &php.ini;.
     </para>
+    <para>
+     The file storage module creates files using mode 600 by default.
+     This default can be changed with the optional <literal>MODE</literal> argument:
+     <literal>N;MODE;/path</literal> where <literal>MODE</literal> is the octal 
+     representation of the mode. 
+     Setting <literal>MODE</literal> does not affect the process umask.
+    </para>
     <warning>
      <para>
       If you leave this set to a world-readable directory, such as