Manually add lyrics website to search for lyrics not found by mediahuman's sources (genius, etc)

I have a lot of foreign music that this program wasn't able to fetch lyrics for, but there are many websites that do have these lyrics (like genius) or websites dedicated to lyrics from this specific group/language (like uta-net for japanese). Would it be possible to direct the program to search certain websites like this? thank you so much for making this incredible program!!