Update introduction: sentence three clarification

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Update introduction: removed some instances of 'it'

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Fix introduction paragraph: 'to' typed twice

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>