diff --git a/nixos/doc/manual/release-notes/rl-1703.xml b/nixos/doc/manual/release-notes/rl-1703.xml
index c03bf33de8b..76b6792aac4 100644
--- a/nixos/doc/manual/release-notes/rl-1703.xml
+++ b/nixos/doc/manual/release-notes/rl-1703.xml
@@ -249,6 +249,13 @@ following incompatible changes:</para>
     </para>
   </listitem>
 
+  <listitem>
+    <para>
+      The <literal>fetch*</literal> functions no longer support md5,
+      please use sha256 instead.
+    </para>
+  </listitem>
+
 </itemizedlist>