Update GRANT USAGE on schema permission description.

diff --git a/doc/src/sgml/ref/grant.sgml b/doc/src/sgml/ref/grant.sgml
index 398ae4e620115293b55154b3859759508d0c4ac7..77977ac7169ad1a0eef5fb101c070610430f187e 100644 (file)
--- a/doc/src/sgml/ref/grant.sgml
+++ b/doc/src/sgml/ref/grant.sgml
@@ -276,8 +276,8 @@ GRANT <replaceable class="PARAMETER">role</replaceable> [, ...]
        schema (assuming that the objects' own privilege requirements are
        also met).  Essentially this allows the grantee to <quote>look up</>
        objects within the schema.  Without this permission, it is still
-       possible to see the object names by querying the system tables, but
-       they cannot be accessed via SQL.
+       possible to see the object names, e.g. by querying the system tables,
+       so this is not a completely secure way to prevent object access.
       </para>
       <para>
        For sequences, this privilege allows the use of the