diff --git a/en_US.ISO8859-1/books/handbook/security/chapter.sgml b/en_US.ISO8859-1/books/handbook/security/chapter.sgml
index cab64bd236..f1638244b5 100644
--- a/en_US.ISO8859-1/books/handbook/security/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/security/chapter.sgml
@@ -3496,8 +3496,8 @@ options IPSEC_ESP
  
        <para>You must run racoon on both gateway machines.  You will
          also need to add some firewall rules to allow the IKE traffic,
-         which is carried over UDP to the isakmp (kmp == key
-         management protocol) port.  Again, this should be fairly early in
+         which is carried over UDP to the ISAKMP (Internet Security Association
+         Key Management Protocol) port.  Again, this should be fairly early in
          your firewall ruleset.</para>
  
        <programlisting>ipfw add 1 allow udp from A.B.C.D to W.X.Y.Z isakmp