diff --git a/doc/arm/notes.xml b/doc/arm/notes.xml
index c6625a15a3..3b3aa41e7a 100644
--- a/doc/arm/notes.xml
+++ b/doc/arm/notes.xml
@@ -730,6 +730,13 @@
 
   <section xml:id="relnotes_bugs"><info><title>Bug Fixes</title></info>
     <itemizedlist>
+      <listitem>
+	<para>
+	  Fixed a crash when calling <command>rndc stats</command> on some
+	  Windows builds: some Visual Studio compilers generate code that
+	  crashes when the "%z" printf() format specifier is used. [RT #42380]
+	</para>
+      </listitem>
       <listitem>
 	<para>
 	  Windows installs were failing due to triggering UAC without
@@ -738,14 +745,17 @@
       </listitem>
       <listitem>
 	<para>
-	  A race condition in rbt/rbtdb was leading to INSISTs being
-	  triggered.
+	  A change in the internal binary represetation of the RBT database
+	  node structure enabled a race condition to occur (especially when
+	  BIND was built with certain compilers or optimizer settings),
+	  leading to inconsistent database state which caused random
+	  assertion failures. [RT #42380]
 	</para>
       </listitem>
     </itemizedlist>
   </section>
-  <section xml:id="end_of_life"><info><title>End of Life</title></info>
 
+  <section xml:id="end_of_life"><info><title>End of Life</title></info>
     <para>
       The end of life for BIND 9.11 is yet to be determined but
       will not be before BIND 9.13.0 has been released for 6 months.