I always type in "Source" mode because I can't trust BL's auto formatting to get things right (also it's particularly annoying when trying to delete bolded or italicized words since it has a tendency to make newly typed text then be bolded or italicizes.
Yep, it's the correct file. I even did a hashcheck comparison to the one you linked to me above for me to test and it's 100% the same identical installer.