diff --git a/reference/phar/PharData/construct.xml b/reference/phar/PharData/construct.xml
index 1b1f3c61c8..0bbd2204af 100644
--- a/reference/phar/PharData/construct.xml
+++ b/reference/phar/PharData/construct.xml
@@ -11,6 +11,8 @@
    <type>void</type><methodname>PharData::__construct</methodname>
    <methodparam><type>string</type><parameter>fname</parameter></methodparam>
    <methodparam choice="opt"><type>int</type><parameter>flags</parameter></methodparam>
+   <methodparam choice="opt"><type>string</type><parameter>alias</parameter></methodparam>
+   <methodparam choice="opt"><type>int</type><parameter>format</parameter><initializer><constant>Phar::TAR</constant></initializer></methodparam>
   </methodsynopsis>
 
  </refsect1>
@@ -30,7 +32,27 @@
      <term><parameter>flags</parameter></term>
      <listitem>
       <para>
-       Flags to pass to <classname>Phar</classname> parent class <classname>RecursiveDirectoryIterator</classname>.
+       Flags to pass to <classname>Phar</classname> parent class
+       <classname>RecursiveDirectoryIterator</classname>.
+      </para>
+     </listitem>
+    </varlistentry>
+    <varlistentry>
+     <term><parameter>alias</parameter></term>
+     <listitem>
+      <para>
+       Alias with which this Phar archive should be referred to in calls to stream
+       functionality.
+      </para>
+     </listitem>
+    </varlistentry>
+    <varlistentry>
+     <term><parameter>format</parameter></term>
+     <listitem>
+      <para>
+       One of the
+       <link linkend="phar.constants.fileformat">file format constants</link>
+       available within the <classname>Phar</classname> class.
       </para>
      </listitem>
     </varlistentry>
@@ -41,8 +63,9 @@
  <refsect1 role="errors">
   &reftitle.errors;
   <para>
-   Throws BadMethodCallException if called twice, UnexpectedValueException
-   if the phar archive can't be opened.
+   Throws <classname>BadMethodCallException</classname> if called twice;
+   <classname>UnexpectedValueException</classname> if the Phar archive can't
+   be opened.
   </para>
  </refsect1>