diff --git a/en_US.ISO8859-1/articles/checkpoint/article.sgml b/en_US.ISO8859-1/articles/checkpoint/article.sgml
index efa1e2d4b3..ecd615d24a 100644
--- a/en_US.ISO8859-1/articles/checkpoint/article.sgml
+++ b/en_US.ISO8859-1/articles/checkpoint/article.sgml
@@ -93,7 +93,7 @@
 FW-1 Protected Nets                              Internal Nets
 199.208.192.0/24                               192.168.10.0/24</programlisting>
 
-    <para>The FreeBSD gateway (<acronym>GW</acronym> serves as a firewall and
+    <para>The FreeBSD gateway <acronym>GW</acronym> serves as a firewall and
       <acronym>NAT</acronym> device for <quote>internal nets.</quote></para>
 
     <para>The FreeBSD kernel must be compiled to support IPSec.
@@ -104,7 +104,7 @@ options         IPSEC_ESP
 options         IPSEC_DEBUG</programlisting>
 
     <para>For instructions on building a custom kernel, refer to the
-      <ulink url="http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/x3663.html">
+      <ulink url="http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html">
       FreeBSD handbook</ulink>. Please note that <acronym>IP</acronym>
       protocol 50 (<acronym>ESP</acronym>) and <acronym>UDP</acronym>
       port <literal>500</literal> must be open between the Firewall-1
@@ -142,7 +142,7 @@ Authentication Method:
       (Do not use our example.)</para>
 
 <programlisting>Support Aggressive Mode:                 Checked
-Supports Subnets:                       Checked</programlisting>
+Supports Subnets:                      Checked</programlisting>
    
     <para>After setting the pre-shared secret in the Firewall-1 Network
       Object definition, place this secret in
@@ -213,8 +213,8 @@ Use Perfect Forward Secrecy:    Checked</programlisting>
 # IP addresses
 #
 #     External Interface                    External Interface
-#       208.229.100.6                    216.218.197.2
-#                   |                    |
+#       208.229.100.6                       216.218.197.2
+#                   |                       |
 #        +--&gt; Firewall-1 &lt;--&gt; Internet &lt;--&gt; FreeBSD GW &lt;--+
 #        |                                                |
 # FW-1 Protected Nets                              Internal Nets
@@ -304,7 +304,7 @@ END
 	#certificate_type x509 "" "";
 
 	nonce_size 16;
-	lifetime time 10 min;    # sec,min,hour
+	lifetime time 10 min;   # sec,min,hour
 	lifetime byte 5 MB;     # B,KB,GB
 	initial_contact on;
 	support_mip6 on;