Document that bits to the right of the CIDR mask "should" be zero, not

bmomjian · bmomjian · commit 2fccc881a918 · 2011-06-13T20:55:25.000-04:00
"must".
diff --git a/doc/src/sgml/client-auth.sgml b/doc/src/sgml/client-auth.sgml
@@ -231,7 +231,7 @@ hostnossl  <replaceable>database</replaceable>  <replaceable>user</replaceable>
        An IP address is specified in standard dotted decimal
        notation with a <acronym>CIDR</> mask length.  The mask
        length indicates the number of high-order bits of the client
-       IP address that must match.  Bits to the right of this must
+       IP address that must match.  Bits to the right of this should
        be zero in the given IP address.
        There must not be any white space between the IP address, the
        <literal>/</literal>, and the CIDR mask length.
