diff --git a/en_US.ISO8859-1/books/developers-handbook/testing/chapter.xml b/en_US.ISO8859-1/books/developers-handbook/testing/chapter.xml
index 37bbdfb0c8..e81976d118 100644
--- a/en_US.ISO8859-1/books/developers-handbook/testing/chapter.xml
+++ b/en_US.ISO8859-1/books/developers-handbook/testing/chapter.xml
@@ -4,7 +4,9 @@
 
      $FreeBSD$
 -->
-<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0" xml:id="testing">
+<chapter xmlns="http://docbook.org/ns/docbook"
+  xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
+  xml:id="testing">
   <title>Regression and Performance Testing</title>
 
   <para>Regression tests are used to exercise a particular bit of the
@@ -12,7 +14,8 @@
     old bugs are not reintroduced.</para>
 
   <para>The &os; regression testing tools can be found in the &os;
-    source tree in the directory <filename>src/tools/regression</filename>.</para>
+    source tree in the directory
+    <filename>src/tools/regression</filename>.</para>
 
   <section xml:id="testing-micro-benchmark">
     <title>Micro Benchmark Checklist</title>
@@ -140,7 +143,8 @@
 	  drive algorithms.  To get real stable clock, consider
 	  stabilized clock injection.  E.g., get a OCXO + PLL, inject
 	  output into clock circuits instead of motherboard xtal.
-	  Contact &a.phk.email; for more information about this.</para>
+	  Contact &a.phk.email; for more information about
+	  this.</para>
       </listitem>
 
       <listitem>
@@ -244,10 +248,11 @@
       </listitem>
     </itemizedlist>
 
-    <para>The scripts are maintained and were developed by &a.des.email;,
-      and are now written in Perl, a move on from their original
-      incarnation as shell scripts.  All scripts and configuration
-      files are kept in <link xlink:href="https://www.freebsd.org/cgi/cvsweb.cgi/projects/tinderbox/">/projects/tinderbox/</link>.</para>
+    <para>The scripts are maintained and were developed by
+      &a.des.email;, and are now written in Perl, a move on from their
+      original incarnation as shell scripts.  All scripts and
+      configuration files are kept in <link
+	xlink:href="https://www.freebsd.org/cgi/cvsweb.cgi/projects/tinderbox/">/projects/tinderbox/</link>.</para>
 
     <para>For more information about the tinderbox and tbmaster
       scripts at this stage, see their respective man pages:
@@ -412,8 +417,10 @@
     <section>
       <title>Official Build Servers</title>
 
-      <para>The official Tinderbox build servers are hosted by <link xlink:href="http://www.sentex.ca">Sentex Data
-	  Communications</link>, who also host the <link xlink:href="https://www.freebsd.org/projects/netperf/cluster.html">&os;
+      <para>The official Tinderbox build servers are hosted by <link
+	  xlink:href="http://www.sentex.ca">Sentex Data
+	  Communications</link>, who also host the <link
+	  xlink:href="https://www.freebsd.org/projects/netperf/cluster.html">&os;
 	  Netperf Cluster</link>.</para>
 
       <para>Three build servers currently exist:</para>
@@ -462,7 +469,8 @@
       <title>Official Summary Site</title>
 
       <para>Summaries and logs from the official build servers are
-	available online at <link xlink:href="http://tinderbox.FreeBSD.org">http://tinderbox.FreeBSD.org</link>,
+	available online at <link
+	  xlink:href="http://tinderbox.FreeBSD.org">http://tinderbox.FreeBSD.org</link>,
 	hosted by &a.des.email; and set up as follows:</para>
 
       <itemizedlist>