diff --git a/doc/arm/notes-9.17.2.xml b/doc/arm/notes-9.17.2.xml
index ed276bdcc0..0d48dd78dd 100644
--- a/doc/arm/notes-9.17.2.xml
+++ b/doc/arm/notes-9.17.2.xml
@@ -66,7 +66,11 @@
     <itemizedlist>
       <listitem>
         <para>
-          None.
+          When running on a system with Linux capabilities support,
+          <command>named</command> drops root privileges very soon after system
+          startup. This was causing a spurious log message, <quote>unable to set
+          effective uid to 0: Operation not permitted</quote>, which has now been
+          silenced. [GL #1042] [GL #1090]
         </para>
       </listitem>
     </itemizedlist>