diff --git a/en_US.ISO8859-1/books/handbook/security/chapter.sgml b/en_US.ISO8859-1/books/handbook/security/chapter.sgml
index 9ed0d861d3..5aba6a63cd 100644
--- a/en_US.ISO8859-1/books/handbook/security/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/security/chapter.sgml
@@ -4896,7 +4896,7 @@ VII. References<co id="co-ref"></programlisting>
 
 	<callout arearefs="co-ref">
 	  <para>The <literal>References</literal> field usually offers sources of other
-	    information.  This can included web <acronym>URL</acronym>s,
+	    information.  This can include web <acronym>URL</acronym>s,
 	    books, mailing lists, and newsgroups.</para>
 	</callout>
       </calloutlist>