Fix some spacing problems.

doc/src/sgml/client-auth.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/client-auth.sgml,v 1.66 2004/08/26 16:50:05 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/client-auth.sgml,v 1.67 2004/11/10 21:54:23 petere Exp $
 -->
 
 <chapter id="client-authentication">
@@ -199,7 +199,7 @@ hostnossl  <replaceable>database</replaceable>  <replaceable>user</replaceable>
      <term><replaceable>CIDR-address</replaceable></term>
      <listitem>
       <para>
-       specifies the client machine IP addresses that this record
+       Specifies the client machine IP addresses that this record
        matches. It contains an IP address in standard dotted decimal
        notation and a CIDR mask length. (IP addresses can only be
        specified numerically, not as domain or host names.) For example,