diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 748c0ec39c..b7025a6b71 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -8443,6 +8443,24 @@ as .putsy.conf and edit it.</programlisting>
 	  doubt, the best thing to do is ask on &a.ports;.</para>
       </sect1>
 
+      <sect1 id="testing-porttools">
+	<title>Port Tools</title>
+
+	<para>The <filename role="package">ports-mgmt/porttools</filename>
+          program is part of the Ports Collection.</para>
+
+	<para><command>port</command> is the front-end script,
+	  which can help you simplify the testing job.  Whenever you want 
+	  to test a new port or update an existing one, you can use 
+	  <command>port test</command> to test your port, including the
+	  <link linkend="testing-portlint"><command>portlint</command></link>
+	  checking.  This command also detects and lists any files that
+	  are not listed in <filename>pkg-plist</filename>.  See the
+	  following example:</para>
+
+	<screen>&prompt.root; <userinput>port test /usr/ports/net/csup</userinput></screen>
+      </sect1>
+
       <sect1 id="porting-prefix">
 	<title><makevar>PREFIX</makevar> and <makevar>DESTDIR</makevar></title>