diff --git a/nixos/doc/manual/release-notes/rl-1903.xml b/nixos/doc/manual/release-notes/rl-1903.xml
index 6c45301b91e..eca280afdf1 100644
--- a/nixos/doc/manual/release-notes/rl-1903.xml
+++ b/nixos/doc/manual/release-notes/rl-1903.xml
@@ -476,6 +476,14 @@
      </para>
     </note>
    </listitem>
+   <listitem>
+    <para>
+     The <link xlink:href="https://github.com/DanielAdolfsson/ndppd"><literal>ndppd</literal></link> module
+     now supports <link linkend="opt-services.ndppd.enable">all config options</link> provided by the current
+     upstream version as service options. Additionally the <literal>ndppd</literal> package doesn't contain
+     the systemd unit configuration from upstream anymore, the unit is completely configured by the NixOS module now.
+    </para>
+   </listitem>
   </itemizedlist>
  </section>
 </section>