diff --git a/en_US.ISO8859-1/share/sgml/bookinfo.ent b/en_US.ISO8859-1/share/sgml/bookinfo.ent
index 5587c3bebd..8164aa889d 100644
--- a/en_US.ISO8859-1/share/sgml/bookinfo.ent
+++ b/en_US.ISO8859-1/share/sgml/bookinfo.ent
@@ -1,12 +1,14 @@
 <!--
      References to other files that can be included within a DocBook
      BookInfo element.
 
      Entity names take the form "bookinfo.<element>", where <element> is
      the name of the outermost element in the entity.  Examples would
      be "bookinfo.legalnotice", and "bookinfo.preface".
 
      $FreeBSD$
 -->
 
 <!ENTITY bookinfo.legalnotice SYSTEM "legalnotice.sgml">
+
+<!ENTITY bookinfo.trademarks SYSTEM "trademarks.sgml">
diff --git a/en_US.ISO8859-1/share/sgml/trademarks.sgml b/en_US.ISO8859-1/share/sgml/trademarks.sgml
new file mode 100644
index 0000000000..b55c7c5ca2
--- /dev/null
+++ b/en_US.ISO8859-1/share/sgml/trademarks.sgml
@@ -0,0 +1,16 @@
+<!-- 
+     Trademark Legend, as required by The Open Group, Sun, etc..
+
+     $FreeBSD$
+-->
+
+<legalnotice id="trademarks" role="trademarks">
+
+  <para>UNIX is a registered trademark of The Open Group in the US and
+    other countries.</para>
+
+  <para>Sun, Sun Microsystems, the Sun Logo, and Java are trademarks
+    or registered trademarks of Sun Microsystems, Inc. in the United
+    States and other countries.</para>
+
+</legalnotice>