diff --git a/nixos/doc/manual/release-notes/rl-1909.xml b/nixos/doc/manual/release-notes/rl-1909.xml
index 3c0699b4b53..578d7db8187 100644
--- a/nixos/doc/manual/release-notes/rl-1909.xml
+++ b/nixos/doc/manual/release-notes/rl-1909.xml
@@ -284,6 +284,12 @@
       <literal>buildRustPackage</literal> may have to be updated as well.
     </para>
    </listitem>
+   <listitem>
+    <para>
+      The <literal>consul</literal> package was upgraded past version <literal>1.5</literal>,
+      so its deprecated legacy UI is no longer available.
+    </para>
+   </listitem>
    <listitem>
     <para>
       The default resample-method for PulseAudio has been changed from the upstream default <literal>speex-float-1</literal>