<para>
To get DCP-o-matic's decryption certificate, open the Preferences
dialogue (see <xref linkend="ch-preferences"/>) and go to the
-<guilabel>Keys</guilabel> tab. Click the <guilabel>Export DCP
-decryption certificate...</guilabel> button at the bottom of this tab
+<guilabel>Keys</guilabel> tab. Click the <guilabel>Export KDM
+decryption leaf certificate...</guilabel> button at the top of this tab
and save the certificate. Send this certificate to the KDM creators
and they can make a KDM to allow DCP-o-matic to decrypt the DCP.
</para>
the ISDCF name will be copied into the <guilabel>Name</guilabel> box.
You can then edit it as you wish. The DCP name should not matter (in
that it should not affect how the DCP ingests or plays) but
-projectionists will appreciate it if you use the standard naming
-scheme as it makes it easier to identify details of the content.
+projectionists will appreciate it if you use the
+<ulink url="https://registry-page.isdcf.com/illustratedguide/">standard naming scheme</ulink>
+as it makes it easier to identify details of the content.
+</para>
+
+<para>
+If there is spoken language in your project's audio you can tick the
+<guilabel>Audio Language</guilabel> checkbox and then specify the language
+of that audio. This information will be used for the ISDCF name, written into
+the DCP cover sheet, and added as metadata to the audio MXF files in the DCP.
</para>
<para>
<section>
<title>Creating KDMs using a DKDM</title>
-</section>
<para>
It can be inconvenient to need a whole DCP-o-matic project just to
opening <guilabel>Preferences</guilabel> and clicking <guilabel>Export
DCP decryption certificate...</guilabel> in the <guilabel>Keys</guilabel>
tab.
-
</para>
+</section>
</section>
<section>
<entry><code>$CPL_NAME</code></entry><entry>DCP title</entry>
</row>
<row>
+<entry><code>$CPL_FILENAME</code></entry><entry>Filename of the CPL</entry>
+</row>
+<row>
<entry><code>$CINEMA_NAME</code></entry><entry>Cinema name</entry>
</row>
<row>