doc:  PG 14 relnotes, adjust pg_{read|write}_all_data entry
Reported-by: Stephen Frost
Discussion:
@@ -469,7 +469,7 @@ Add predefined roles <link linkend="predefined-roles"><structname>pg_read_all_da
</para>
<para>
-These non-login roles give read-only/write-only access to all objects.
+These non-login roles can be used to give read or write permission to all tables, views, and sequences.
</para>
</listitem>
