diff --git a/doc/arm/notes.xml b/doc/arm/notes.xml
index ecd9783c76..355d49202b 100644
--- a/doc/arm/notes.xml
+++ b/doc/arm/notes.xml
@@ -759,6 +759,14 @@
 	  code should explicitly include <isc/util.h>.
 	</para>
       </listitem>
+      <listitem>
+	<para>
+	  Named failed to properly determine if there were active
+	  KSK and ZSK keys for a algorithm when update-check-ksk
+	  is true (default) leaving records unsigned. [RT #46743]
+	  [RT #46754]
+	</para>
+      </listitem>
     </itemizedlist>
   </section>