diff --git a/release/doc/en_US.ISO8859-1/hardware/article.sgml b/release/doc/en_US.ISO8859-1/hardware/article.sgml
index b5f4ee355824..a9762c0b5e39 100644
--- a/release/doc/en_US.ISO8859-1/hardware/article.sgml
+++ b/release/doc/en_US.ISO8859-1/hardware/article.sgml
@@ -2064,6 +2064,9 @@
         <listitem>
 	  <para>ActiveWire I/O Board</para>
 	</listitem>
+        <listitem>
+	  <para>Rio500 MP3 player (&man.urio.4; driver)</para>
+	</listitem>
       </itemizedlist>
     </para>
     <para>Modems (umodem driver)
diff --git a/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml b/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml
index b5f4ee355824..a9762c0b5e39 100644
--- a/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml
+++ b/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml
@@ -2064,6 +2064,9 @@
         <listitem>
 	  <para>ActiveWire I/O Board</para>
 	</listitem>
+        <listitem>
+	  <para>Rio500 MP3 player (&man.urio.4; driver)</para>
+	</listitem>
       </itemizedlist>
     </para>
     <para>Modems (umodem driver)
diff --git a/release/doc/en_US.ISO_8859-1/hardware/common/dev.sgml b/release/doc/en_US.ISO_8859-1/hardware/common/dev.sgml
index b5f4ee355824..a9762c0b5e39 100644
--- a/release/doc/en_US.ISO_8859-1/hardware/common/dev.sgml
+++ b/release/doc/en_US.ISO_8859-1/hardware/common/dev.sgml
@@ -2064,6 +2064,9 @@
         <listitem>
 	  <para>ActiveWire I/O Board</para>
 	</listitem>
+        <listitem>
+	  <para>Rio500 MP3 player (&man.urio.4; driver)</para>
+	</listitem>
       </itemizedlist>
     </para>
     <para>Modems (umodem driver)