diff --git a/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml b/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml
index 56a1daa0df..2fd922126c 100644
--- a/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml
@@ -3959,7 +3959,7 @@ mail            IN      A       192.168.1.5</programlisting>
 	  role="Key Signing Key">KSK</acronym>).  The second key, with value
 	  256, is a subordinate key, commonly called a Zone Signing Key
 	  (<acronym role="Zone Signing Key">ZSK</acronym>).  More on the
-	  different key types later in the <xref
+	  different key types later in <xref
 	  linkend="dns-dnssec-auth">.</para>
 
 	<para>Now the key must be verified and formatted so that