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
+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>
<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>$CINEMA_NAME</code></entry><entry>Cinema name</entry>
</row>
<row>
+<entry><code>$CINEMA_SHORT_NAME</code></entry><entry>First 14 characters of the cinema name</entry>
+</row>
+<row>
<entry><code>$SCREENS</code></entry><entry>Name of screen or screens that KDMs are being generated for</entry>
</row>
<row>
<listitem>Start a new DCP-o-matic film.</listitem>
<listitem>Click <guilabel>Add DCP...</guilabel> and specify your existing DCP's folder.</listitem>
<listitem>Go to the <guilabel>DCP</guilabel> tab and choose <guilabel>Split by video content</guilabel> for <guilabel>Reel type</guilabel>.</listitem>
-<listitem>Go to the <guilabel>Video</guilabel> and
-<guilabel>Audio</guilabel> tabs in turn and tick the <guilabel>Use this DCP's audio as OV and make VF</guilabel> checkboxes.</listitem>
+<listitem>Go to the <guilabel>Video</guilabel> tab and tick the <guilabel>Use this DCP's video as OV and make VF</guilabel> checkbox.</listitem>
+<listitem>Go to the <guilabel>Audio</guilabel> tab and tick the <guilabel>Use this DCP's audio as OV and make VF</guilabel> checkbox.</listitem>
<listitem>Add your subtitles to the film in whatever format you have.</listitem>
<listitem>Check the subtitle appearance in the preview; it will be
slow to respond as it is having to decompress images from the existing