What needs to be clarified or cited? I've been thinking of a few reasons but I'm not sure which one is the one you wanted to be clarified, or what else you'd like to be added. http://pcgamingwiki.com/wiki/The_Elder_Scrolls_V:_Skyrim#Mouse_acceleration
Topic on User talk:Garrett
It was more the mention of the line possibly not existing. That doesn't sound right.
I do have the line, but I did launch Skyrim at least once though so I don't know if the line wasn't there to begin with. I guess this was mainly for people who literally never launched the game once.