diff --git a/doc/src/sgml/ref/alter_database.sgml b/doc/src/sgml/ref/alter_database.sgml
new file mode 100644
index 3724c05..4af441e
*** a/doc/src/sgml/ref/alter_database.sgml
--- b/doc/src/sgml/ref/alter_database.sgml
*************** ALTER DATABASE <replaceable class="PARAM
*** 77,84 ****
     Only the database owner or a superuser can do this; you must also have
     create privilege for the new tablespace.
     This command physically moves any tables or indexes in the database's old
!    default tablespace to the new tablespace.  Note that tables and indexes
!    in non-default tablespaces are not affected.
    </para>
  
    <para>
--- 77,86 ----
     Only the database owner or a superuser can do this; you must also have
     create privilege for the new tablespace.
     This command physically moves any tables or indexes in the database's old
!    default tablespace to the new tablespace.  The new tablespace for
!    this database must be empty, and no one can be connected to the
!    database.  Tables and indexes in non-default tablespaces are not
!    affected.
    </para>
  
    <para>
