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 3b02b878e6..8cf2c13121 100644
--- a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
@@ -1598,23 +1598,23 @@ Success, response: OK, Success (0x20)</screen>
 
     <sect2>
       <title>Serial Port (SP) Profile</title>
-      <para>The Serial Port (SP) profile allows Bluetooth device to perform
+      <para>The Serial Port (SP) profile allows Bluetooth devices to perform
         RS232 (or similar) serial cable emulation. The scenario covered by this
         profile deals with legacy applications using Bluetooth as a cable
         replacement, through a virtual serial port abstraction.</para>
 
       <para>The &man.rfcomm.sppd.1; utility implements the Serial Port profile.
-        Pseudo tty is used as a virtual serial port abstraction. The example
+        A pseudo tty is used as a virtual serial port abstraction. The example
         below shows how to connect to a remote device Serial Port service.
-        Note that you do not have to specify RFCOMM channel -
+        Note that you do not have to specify a RFCOMM channel -
         &man.rfcomm.sppd.1; can obtain it from the remote device via SDP.
-        If you would like to override this, specify RFCOMM channel in the
+        If you would like to override this, specify a RFCOMM channel on the
         command line.</para>
 
       <screen>&prompt.root; <userinput>rfcomm_sppd -a 00:07:E0:00:0B:CA -t /dev/ttyp6</userinput>
 rfcomm_sppd[94692]: Starting on /dev/ttyp6...</screen>
 
-      <para>Once connected pseudo tty can be used as serial port.</para>
+      <para>Once connected, the pseudo tty can be used as serial port.</para>
 
       <screen>&prompt.root; <userinput>cu -l ttyp6</userinput></screen>
 
@@ -1627,8 +1627,8 @@ rfcomm_sppd[94692]: Starting on /dev/ttyp6...</screen>
         <title>A remote device cannot connect</title>
         <para>Some older Bluetooth devices do not support role switching.
           By default, when &os; is accepting a new connection, it tries to
-          perform role switch and become a master. Devices, which do not
-          support this will not be able to connect. Note the role switching is
+          perform a role switch and become master. Devices, which do not
+          support this will not be able to connect. Note that role switching is
           performed when a new connection is being established, so it is not
           possible to ask the remote device if it does support role switching.
           There is a HCI option to disable role switching on the local