Index: head/en_US.ISO8859-1/books/fdp-primer/translations/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/fdp-primer/translations/chapter.xml
+++ head/en_US.ISO8859-1/books/fdp-primer/translations/chapter.xml
@@ -146,6 +146,10 @@
 	  run:</para>
 
 	<screen>&prompt.user; <userinput>svn diff -r<replaceable>33733</replaceable>:<replaceable>33734</replaceable> en_US.ISO8859-1/books/fdp-primer/book.xml</userinput></screen>
+
+	<para>Please see the complete explanation of using
+	<application>Subversion</application> in &os; in the <link
+	  xlink:href="&url.books.handbook;/svn.html">&os; Handbook</link>.</para>
       </answer>
     </qandaentry>