diff --git a/reference/filesystem/functions/mkdir.xml b/reference/filesystem/functions/mkdir.xml
index 721ff536ec..e581b00dc3 100644
--- a/reference/filesystem/functions/mkdir.xml
+++ b/reference/filesystem/functions/mkdir.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.20 $ -->
+<!-- $Revision: 1.21 $ -->
 <refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.mkdir">
  <refnamediv>
   <refname>mkdir</refname>
@@ -57,6 +57,7 @@
      <term><parameter>recursive</parameter></term>
      <listitem>
       <para>
+       Default to &false;.
       </para>
      </listitem>
     </varlistentry>