##What you need to do

You may be asked to provide an ‘affirmation for marriage’ document to prove you’re allowed to marry.

##What you need to do

You’ll be asked to provide an affirmation or affidavit to prove you’re allowed to marry.

Align affirmation wording with other related paragraphs
Align affirmation wording with other related paragraphs

This was supposed to be a part of the change made in the commit titled:
"Tweak wording referring to affirmations" made on Fri Sep 4 14:02:05 2015 +0100
(I expect it to be rebased, hence no SHA)
