ADDENDUM
    
Meaning of ADDENDUM in English
	
n. Function: noun
 sometimes
addenda plural but singular or plural in construction
Synonyms: APPENDIX 1, codicil, rider, supplement
	
	Merriam Webster.
	Collegiate thesaurus English dictionary.
    	Английский энциклопедический толковый словарь тезауруса.
	2012