zlacker

I'm amending this because I've found that MM is commonly used in finance, so it's not like the author chose to go rogue.

Also

> It's so easy to stick to international units, folks. Please. PLEASE!

should be to stick to the language's usage of units. Not necessarily international units.

Even though the comment doesn't exactly apply now that I know MM can be used in finance, but I wanted to correct it to have a broader coverage.