Index: head/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
+++ head/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
@@ -1095,8 +1095,8 @@
 	<row>
 	  <entry>500101</entry>
 	  <entry>February 19, 2003</entry>
-	  <entry>&lt;sys/dkstat.h&gt; is empty and should
-	    not be included.</entry>
+	  <entry>&lt;sys/dkstat.h&gt; is empty. Do not include
+	    it.</entry>
 	</row>
 
 	<row>
@@ -2500,7 +2500,7 @@
 	    Legacy RFC 1724 behavior of the IP_MULTICAST_IF
 	    ioctl has now been removed; 0.0.0.0/8 may no longer
 	    be used to specify an interface index.
-	    struct ipmreqn should be used instead.</entry>
+	    Use struct ipmreqn instead.</entry>
 	</row>
 
 	<row>
@@ -2621,7 +2621,7 @@
 	  <entry>May 5, 2008</entry>
 	  <entry>7.0-STABLE after some &man.lockmgr.9; changes,
 	    which makes it necessary to include
-	    <filename>sys/lock.h</filename> in order to use
+	    <filename>sys/lock.h</filename> to use
 	    &man.lockmgr.9;.</entry>
 	</row>
 
@@ -3490,7 +3490,7 @@
 	    <function>sx_init_flags()</function> KPI.  The
 	    <constant>SX_ADAPTIVESPIN</constant> is retired and a
 	    new <constant>SX_NOADAPTIVE</constant> flag is
-	    introduced in order to handle the reversed
+	    introduced to handle the reversed
 	    logic.</entry>
 	</row>
 
@@ -4722,7 +4722,7 @@
 	<row>
 	  <entry>1000034</entry>
 	  <entry>June 3, 2013</entry>
-	  <entry>10-CURRENT after the addition of the following
+	  <entry>10-CURRENT after the addition of these
 	    functions to libm: <function>cacos</function>,
 	    <function>cacosf</function>,
 	    <function>cacosh</function>,
@@ -5342,9 +5342,9 @@
       pattern used to be year followed by the month, but we decided to
       change it to a more straightforward major/minor system starting
       from 2.2.  This is because the parallel development on several
-      branches made it infeasible to classify the releases simply by
-      their real release dates.  If you are making a port now, you do
-      not have to worry about old -CURRENTs; they are listed here just
-      for your reference.</para>
+      branches made it infeasible to classify the releases merely by
+      their real release dates.  Do
+      not worry about old -CURRENTs; they are listed here just
+      for reference.</para>
   </note>
 </chapter>