For years it has been common to include the name of a portal or a wiki project associated with a new article, therefore it should be possible to ammend the edit comment the tool is providing. Please note that I don't request the possibility to give a totally own edit comment. Also in future, it should be enforced the note that an article was created by the tool.
Topic on Talk:Content translation
Good suggestion, I created a ticket for this and added you in CC https://phabricator.wikimedia.org/T106409