Why is that variable set at 10? Who would question that? The spec says 10 too. It's the "at least 10" part that was missed. That's very subtle, does not stand

Why is that variable set at 10? Who would question that? The spec says 10 too. It's the "at least 10" part that was missed. That's very subtle, does not stand out and is easily over-looked unless someone is really auditing code and reading specs carefully.