Gnomishness

because these small mistakes don't interfere with the work

Well, I don't know... Because you had some name being replaced with an empty value... Never mind, it's not the main point... The most important thing is that there are more and more good hero maps ;)
I also want to note: I didn't always have time to read the text in the video. Maybe increase the time? At a slower pace, so that you can also examine the video itself, it might not be enough ;)