diff --git a/en_US.ISO8859-1/books/faq/book.sgml b/en_US.ISO8859-1/books/faq/book.sgml
index 16ac451ba0..05e569bad2 100644
--- a/en_US.ISO8859-1/books/faq/book.sgml
+++ b/en_US.ISO8859-1/books/faq/book.sgml
@@ -4848,7 +4848,7 @@ kern.timecounter.hardware: TSC -&gt; i8254</screen>
             <filename>ports/</filename> directory.</para>
 
           <para>We also support the concept of a
-            <quote>package</quote>, essentially no more than a gzipped
+            <quote>package</quote>, essentially no more than a compressed
             binary distribution with a little extra intelligence
             embedded in it for doing whatever custom installation work
             is required. A package can be installed and uninstalled
@@ -4860,7 +4860,7 @@ kern.timecounter.hardware: TSC -&gt; i8254</screen>
             post-configuration menu item) or invoke the
             &man.pkg.add.1; command on the specific package files you
             are interested in installing. Package files can usually be
-            identified by their <filename>.tgz</filename> suffix and
+            identified by their <filename>.tgz</filename> or <filename>.tbz</filename> suffix and
             CDROM distribution people will have a
             <filename>packages/All</filename> directory on their CD
             which contains such files. They can also be downloaded
@@ -4939,7 +4939,7 @@ kern.timecounter.hardware: TSC -&gt; i8254</screen>
           <para>After installing the <filename
             role="package">news/inn</filename> package or port, an
             excellent place to start is <ulink
-            url="http://www.cis.ohio-state.edu/~barr/INN.html">Dave
+            url="http://www.visi.com/~barr/INN.html">Dave
             Barr's INN Page</ulink> where you will find the INN
             FAQ.</para>
         </answer>
@@ -4958,15 +4958,18 @@ kern.timecounter.hardware: TSC -&gt; i8254</screen>
       </qandaentry>
 
       <qandaentry>
-        <question id="ports-3x">
-          <para>Why can I not build this port on my 3.X-STABLE machine?</para>
+        <question id="ports-4x">
+          <para>Why can I not build this port on my 4.X-STABLE machine?</para>
         </question>
 
         <answer>
           <para>If you are running a FreeBSD version that lags
-            significantly behind -CURRENT or -STABLE, you may need a ports
-            upgrade kit from <ulink url="&url.base;/ports/index.html">
-            http://www.FreeBSD.org/ports/</ulink>. If you are up to date,
+            significantly behind -CURRENT or -STABLE, you may need to
+            update your ports collection; see the <ulink
+	    url="&url.books.porters-handbook;/keeping-up.html">
+	    Keeping Up</ulink> section of the Porter's Handbook for further
+	    information on how to do this.
+            If you are up to date,
             then someone might have committed a change to the port which
             works for -CURRENT but which broke the port for -STABLE. Please
             submit a bug report on this with the