This is an announcement for the paper "$L^1$- convergence of greedy algorithm by generalized Walsh system" by Sergo A. Episkoposian. Abstract: In this paper we consider the generalized Walsh system and a problem $L^1- convergence$ of greedy algorithm of functions after changing the values on small set. Archive classification: math.FA Mathematics Subject Classification: 42A65, 42A20 Submitted from: sergoep@ysu.am The paper may be downloaded from the archive by web browser from URL http://front.math.ucdavis.edu/1407.1496 or http://arXiv.org/abs/1407.1496