diff --git a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
index b76a4724ae..67dccf9a73 100644
--- a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
@@ -2816,10 +2816,10 @@ Exports list on foobar:
 	also supports other signaling protocols; this also includes the
 	first supported Primary Rate (PRI) ISDN card.</para>
 
-      <para><application>Isdn4bsd</application> allows you to connect
+      <para>The <application>isdn4bsd</application> software allows you to connect
 	to other ISDN routers using either IP over raw HDLC or by using
-	synchronous PPP: either by using kernel PPP with isppp, a
-	modified sppp driver, or by using userland &man.ppp.8;.  By using
+	synchronous PPP: either by using kernel PPP with <literal>isppp</literal>, a
+	modified &man.sppp.4; driver, or by using userland &man.ppp.8;.  By using
 	userland &man.ppp.8;, channel bonding of two or more ISDN
 	B-channels is possible.  A telephone answering machine
 	application is also available as well as many utilities such as
@@ -2862,10 +2862,10 @@ Exports list on foobar:
     <sect2>
       <title>ISDN Terminal Adapters</title>
 
-      <para>Terminal adapters(TA), are to ISDN what modems are to regular
+      <para>Terminal adapters (TA), are to ISDN what modems are to regular
 	phone lines.</para>
       <indexterm><primary>modem</primary></indexterm>
-      <para>Most TA's use the standard hayes modem AT command set, and can be
+      <para>Most TA's use the standard Hayes modem AT command set, and can be
 	used as a drop in replacement for a modem.</para>
 
       <para>A TA will operate basically the same as a modem except connection
@@ -2887,10 +2887,10 @@ Exports list on foobar:
 	experienced with the PPP program and are going to persist.</para>
 
       <para>If you want maximum stability, use the kernel <link
-	  linkend="ppp">PPP</link> option, not the user-land <link
-	  linkend="userppp">iijPPP</link>.</para>
+	  linkend="ppp">PPP</link> option, not the <link
+	  linkend="userppp">userland PPP</link>.</para>
 
-      <para>The following TA's are known to work with FreeBSD.</para>
+      <para>The following TA's are known to work with FreeBSD:</para>
 
       <itemizedlist>
 	<listitem>