Index: head/en_US.ISO8859-1/books/fdp-primer/book.xml
===================================================================
--- head/en_US.ISO8859-1/books/fdp-primer/book.xml
+++ head/en_US.ISO8859-1/books/fdp-primer/book.xml
@@ -66,6 +66,9 @@
       <year>2015</year>
       <year>2016</year>
       <year>2017</year>
+      <year>2018</year>
+      <year>2019</year>
+      <year>2020</year>
       <holder role="mailto:doceng@FreeBSD.org">DocEng</holder>
     </copyright>
 
Index: head/en_US.ISO8859-1/books/fdp-primer/overview/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/fdp-primer/overview/chapter.xml
+++ head/en_US.ISO8859-1/books/fdp-primer/overview/chapter.xml
@@ -93,6 +93,15 @@
       </step>
 
       <step>
+	<para>Optional: to generate PDF documentation, install the
+	  <package>textproc/fop</package> package as it is not
+	  installed by default by <package>textproc/docproj</package>.
+	</para>
+
+	<screen>&prompt.root; <userinput>pkg install fop</userinput></screen>
+      </step>
+
+      <step>
 	<para>Install a local working copy of the documentation from
 	  the &os; repository in
 	  <filename>~/doc</filename> (see