Complete the documentation of the USAGE privilege for foreign servers

The GRANT reference page failed to mention that the USAGE privilege
allows modifying associated user mappings, although this was already
documented on the CREATE/ALTER/DROP USER MAPPING pages.

diff --git a/doc/src/sgml/ref/grant.sgml b/doc/src/sgml/ref/grant.sgml
index a69578bcd41305c8fa30e2422bc4cee4cdb9d079..659bc1bff22f1cef5a07fe0ba1236a8f73287731 100644 (file)
--- a/doc/src/sgml/ref/grant.sgml
+++ b/doc/src/sgml/ref/grant.sgml
@@ -339,8 +339,10 @@ GRANT <replaceable class="PARAMETER">role_name</replaceable> [, ...] TO <replace
        to create new servers using that foreign-data wrapper.
       </para>
       <para>
-       For servers, this privilege enables the grantee to query the
-       options of the server and associated user mappings.
+       For servers, this privilege enables the grantee to create,
+       alter, and drop his own user's user mappings associated with
+       that server.  Also, it enables the grantee to query the options
+       of the server and associated user mappings.
       </para>
      </listitem>
     </varlistentry>