More man pages improvements; also needed to test sgml build.

doc/src/sgml/ref/pg_upgrade.sgml

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-$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.18 2002/01/11 20:34:14 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.19 2002/01/11 20:48:47 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -94,6 +94,18 @@ $ make install
     </para>
    </step>
 
+   <step performance="required">
+    <para>
+     Do:
+     <programlisting>
+$ cd pgsql/contrib/pg_resetxlog
+$ make install
+     </programlisting>
+     to install the /contrib/pg_resetxlog utility 
+     which will be used by pg_upgrade.
+    </para>
+   </step>
+
    <step performance="required">
     <para>
      Run <application>initdb</application> to create a new template1 database