nixos/release-notes: render missing docbook

nixos/doc/manual/from_md/release-notes/rl-2111.section.xml

@@ -61,6 +61,11 @@
           actions.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          KDE Plasma now finally works on Wayland.
+        </para>
+      </listitem>
       <listitem>
         <para>
           bash now defaults to major version 5.
@@ -1120,6 +1125,15 @@ Superuser created successfully.
           functionality.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <literal>services.xserver.displayManager.defaultSession = &quot;plasma5&quot;</literal>
+          does not work anymore, instead use either
+          <literal>&quot;plasma&quot;</literal> for the Plasma X11
+          session or <literal>&quot;plasmawayland&quot;</literal> for
+          the Plasma Wayland sesison.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="sec-release-21.11-notable-changes">