diff --git a/en_US.ISO8859-1/books/handbook/serialcomms/chapter.sgml b/en_US.ISO8859-1/books/handbook/serialcomms/chapter.sgml
index 6451a4b97d..3ee1afa1d3 100644
--- a/en_US.ISO8859-1/books/handbook/serialcomms/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/serialcomms/chapter.sgml
@@ -810,7 +810,7 @@ sio3: type 16550A</screen>
 	    through the Ports Collection.  The Ports include quite a few
 	    utilities which can work in ways similar to &man.cu.1; and
 	    &man.tip.1;,
-	    i.e. <filename role="package">comms/minicom</filename>.</para>
+	    i.e., <filename role="package">comms/minicom</filename>.</para>
 	</note>
       </sect3>
 
@@ -1173,7 +1173,7 @@ ttyu5   "/usr/libexec/getty std.19200"  vt100  on  insecure
       modems instead of terminals.</para>
 
       <sect2>
-	<title>External vs. Internal Modems</title>
+	<title>External Versus Internal Modems</title>
 
 	<para>External modems seem to be more convenient for dial-up, because
 	  external modems often can be semi-permanently configured via
@@ -1881,7 +1881,7 @@ AT&amp;B2&amp;W</programlisting>
     </sect2>
 
     <sect2 id="direct-at">
-      <title>How Am I Expected to Enter These AT Commands?</title>
+      <title>How Am I Expected to Enter These <literal>AT</literal> Commands?</title>
 
       <indexterm>
 	<primary><filename>/etc/remote</filename></primary>
@@ -1903,9 +1903,9 @@ AT&amp;B2&amp;W</programlisting>
       <screen>&prompt.root; <userinput>cu -l<replaceable>line</replaceable> -s<replaceable>speed</replaceable></userinput></screen>
 
       <para><replaceable>line</replaceable> is the serial port
-	(e.g.<filename>/dev/cuau0</filename>) and
+	(e.g., <filename>/dev/cuau0</filename>) and
 	<replaceable>speed</replaceable> is the speed
-	(e.g.<literal>57600</literal>).  When you are done entering the AT
+	(e.g., <literal>57600</literal>).  When you are done entering the AT
 	commands type <command>~.</command> to exit.</para>
     </sect2>
 
@@ -2117,7 +2117,7 @@ raisechar=^^</programlisting>
     </sect2>
 
     <sect2 id="zmodem-tip">
-      <title>How Can I Run zmodem with <command>tip</command>?</title>
+      <title>How Can I Run <application>zmodem</application> with <command>tip</command>?</title>
 
       <para>To receive files, start the sending program on the remote end.
 	Then, type <command>~C rz</command> to begin receiving them
@@ -2829,7 +2829,7 @@ ttyu3 "/usr/libexec/getty std.9600" unknown off secure</programlisting>
 	  Change <literal>off</literal> to <literal>on</literal> for the
 	  desired port.  If you have changed the speed of the serial port,
 	  you need to change <literal>std.9600</literal> to match the current
-	  setting, e.g. <literal>std.19200</literal>.</para>
+	  setting, e.g., <literal>std.19200</literal>.</para>
 
 	<para>You may also want to change the terminal type from
 	  <literal>unknown</literal> to the actual type of your serial
@@ -2907,7 +2907,7 @@ ttyu3 "/usr/libexec/getty std.9600" unknown off secure</programlisting>
 	while most systems will let you boot without a keyboard, there
 	are quite a few that will not let you boot without a graphics adapter.
 	Machines with AMI BIOSes can be configured to  boot with no graphics
-	adapter installed simply by changing the
+	adapter installed by changing the
 	<quote>graphics adapter</quote> setting in the CMOS configuration to
 	<quote>Not installed.</quote></para>