It wasn't clear to my why you said what you did. (Good to know it was just an editing failure.) Sometimes people get confused and think "dark matter halo" means

It wasn't clear to my why you said what you did. (Good to know it was just an editing failure.) Sometimes people get confused and think "dark matter halo" means all the dark matter is outside the main body of the galaxy, so I was pointing out that this isn't the case.