Index: head/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
+++ head/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
@@ -1487,7 +1487,7 @@
 	they are used.  Like they are used in the above example.  The
 	<xref linkend="gnome-components"/> has a more in-depth
 	explanation.  <varname>USE_GNOME</varname> has to be set for
-	these macro's to be of use.</para>
+	these macros to be of use.</para>
 
       <variablelist>
 	<varlistentry>