\addtocontents
 \addtocontents{file}{text}
 The \addtocontents command adds text (or formatting commands) directly
 to the file that generates the table of contents or list of figures or
 tables.
- file is the extension of the file on which information is  to  be
     written:   toc (table of contents), lof (list of figures), or lot
     (list of tables).
 
- text is the information to be written.