diff --git a/en_US.ISO8859-1/books/faq/book.sgml b/en_US.ISO8859-1/books/faq/book.sgml
index 8fbdff2996..75ecfa0142 100644
--- a/en_US.ISO8859-1/books/faq/book.sgml
+++ b/en_US.ISO8859-1/books/faq/book.sgml
@@ -17,6 +17,9 @@
 <!ENTITY % urls PUBLIC "-//FreeBSD//ENTITIES DocBook URL Entities//EN">
 %urls;
 
+<!ENTITY % trademarks PUBLIC "-//FreeBSD//ENTITIES DocBook Trademark Entities//EN">
+%trademarks;
+
 <!ENTITY bibliography SYSTEM "../../../share/sgml/bibliography.sgml">
 
 ]>