Index: head/en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
+++ head/en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
@@ -77,13 +77,13 @@
 	  <entry>(none)</entry>
 
 	  <entry>Prevents the port from installing
-	    <filename>charset.alias</filename>.  This should be
+	    <filename>charset.alias</filename>.  This must be
 	    installed only by
 	    <package role="port">converters/libiconv</package>.
 	    <varname>CHARSETFIX_MAKEFILEIN</varname> can be set to a
 	    path relative to <varname>WRKSRC</varname> if
 	    <filename>charset.alias</filename> is not installed by
-	    <varname>WRKSRC</varname>/<filename>Makefile.in</filename>.</entry>
+	    <filename>${WRKSRC}/Makefile.in</filename>.</entry>
 	</row>
 
 	<row xml:id="uses-cmake">
@@ -656,9 +656,9 @@
 	    <literal>build</literal></entry>
 
 	  <entry>Patches <command>libtool</command> scripts.  This
-	    should be added to all ports that use
+	    must be added to all ports that use
 	    <command>libtool</command>.  The <literal>keepla</literal>
-	    argument can be used to keep the <filename>.la</filename>
+	    argument can be used to keep <filename>.la</filename>
 	    files.  Some ports do not ship with their own copy of
 	    libtool and need a build time dependency on <package
 	      role="port">devel/libtool</package>, use the
@@ -681,7 +681,7 @@
 	    <literal>run</literal> option.  The default version is
 	    5.2, unless set by the
 	    <literal><replaceable>XY</replaceable></literal> parameter
-	    (e.g., <literal>51</literal> or
+	    (for example, <literal>51</literal> or
 	    <literal>52+</literal>).</entry>
 	</row>
 
@@ -767,7 +767,7 @@
 	  <entry>Uses <application>OpenAL</application>.  The backend
 	    can be specified, with the software implementation as the
 	    default.  The user can specify a preferred backend with
-	    the <varname>WANT_OPENAL</varname> knob.  Valid values for
+	    <varname>WANT_OPENAL</varname>.  Valid values for
 	    this knob are <literal>soft</literal> (default) and
 	    <literal>si</literal>.</entry>
 	</row>
@@ -777,8 +777,8 @@
 
 	  <entry>(none)</entry>
 
-	  <entry>Look for the <filename>Makefile.in</filename> and
-	    <filename>configure</filename> files in the port's
+	  <entry>Look for <filename>Makefile.in</filename> and
+	    <filename>configure</filename> in the port's
 	    associated sources and fix common paths to make sure they
 	    respect the &os; hierarchy.  If the port uses
 	    <command>automake</command>, set
@@ -836,7 +836,7 @@
 		  <filename>Build.PL</filename> is required.  If there
 		  is a <filename>.packlist</filename> referencing
 		  <varname>${STAGEDIR}</varname>, then
-		  <literal>fixpacklist</literal> should be used to
+		  <literal>fixpacklist</literal> must be used to
 		  patch it.  It defaults to
 		  <literal>build run</literal>.</para>
 	      </listitem>
@@ -854,10 +854,10 @@
 	  <entry>
 	    <para>Provide support for PostgreSQL.  Maintainer can
 	      set version required.  Minimum and maximum versions can
-	      be specified; e.g., 9.0-, 8.4+.</para>
+	      be specified; for example, 9.0-, 8.4+.</para>
 
 	    <para>Add PostgreSQL component dependency, using
-	      <literal>WANT_PGSQL=component[:target]</literal>.  e.g.,
+	      <literal>WANT_PGSQL=component[:target]</literal>.  for example,
 	      <literal>WANT_PGSQL=server:configure pltcl
 		plperl</literal>  For the full list use
 	      <command>make -V _USE_PGSQL_DEP</command>.</para>
@@ -1113,7 +1113,7 @@
 
 	  <entry>Changes some default behavior (mostly variables) of
 	    the build system to allow installing this port as a normal
-	    user.  Try this in your port before adding
+	    user.  Try this in the port before adding
 	    <literal>NEED_ROOT=yes</literal></entry>
 	</row>
 
@@ -1129,7 +1129,7 @@
 	    directories <varname>DOCSDIR</varname>,
 	    <varname>EXAMPLESDIR</varname>,
 	    <varname>DATADIR</varname>, <varname>WWWDIR</varname>,
-	    <varname>ETCDIR</varname>.  The following variables are
+	    <varname>ETCDIR</varname>.  These variables are
 	    available for ports:
 
 	    <itemizedlist>