diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.sgml b/release/doc/en_US.ISO8859-1/relnotes/article.sgml
index bfb6143cc1a..9939e0c70fc 100644
--- a/release/doc/en_US.ISO8859-1/relnotes/article.sgml
+++ b/release/doc/en_US.ISO8859-1/relnotes/article.sgml
@@ -184,7 +184,7 @@
       <ulink url="ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:08.kmem.asc">FreeBSD-SA-05:08.kmem</ulink>.
       &merged;</para>
 
-    <para>Because of an information disclosure vulnerability on
+    <para arch="i386,amd64">Because of an information disclosure vulnerability on
       processors using Hyper-Threading Technology (HTT), the
       <varname>machdep.hyperthreading_allowed</varname> sysctl
       variable has been added.  It defaults to <literal>1</literal>
diff --git a/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml b/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml
index bfb6143cc1a..9939e0c70fc 100644
--- a/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml
+++ b/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml
@@ -184,7 +184,7 @@
       <ulink url="ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:08.kmem.asc">FreeBSD-SA-05:08.kmem</ulink>.
       &merged;</para>
 
-    <para>Because of an information disclosure vulnerability on
+    <para arch="i386,amd64">Because of an information disclosure vulnerability on
       processors using Hyper-Threading Technology (HTT), the
       <varname>machdep.hyperthreading_allowed</varname> sysctl
       variable has been added.  It defaults to <literal>1</literal>