diff --git a/debian/docs/koha-list.xml b/debian/docs/koha-list.xml
index 1b2129e27b..828831a23f 100644
--- a/debian/docs/koha-list.xml
+++ b/debian/docs/koha-list.xml
@@ -27,6 +27,7 @@
       <arg><option>--enabled</option>|<option>--disabled</option></arg>
       <arg><option>--email</option>|<option>--noemail</option></arg>
       <arg><option>--sip</option>|<option>--nosip</option></arg>
+      <arg><option>--plack</option>|<option>--noplack</option></arg>
       <arg><option>-h</option>|<option>--help</option></arg>
     </cmdsynopsis>
   </refsynopsisdiv>
@@ -70,6 +71,18 @@
         <para>Only show instances that do not have SIP enabled.</para>
       </listitem>
     </varlistentry>
+    <varlistentry>
+      <term><option>--plack</option></term>
+      <listitem>
+        <para>Only show instances that have Plack enabled.</para>
+      </listitem>
+    </varlistentry>
+    <varlistentry>
+      <term><option>--noplack</option></term>
+      <listitem>
+        <para>Only show instances that do not have Plack enabled.</para>
+      </listitem>
+    </varlistentry>
 
     <varlistentry>
       <term><option>-h</option>|<option>--help</option></term>