Add line to ID faq section

This is already in the content, but needed to be added to this section of
the FAQ to make it entirely clear.

config/machine_readable/voting-in-the-uk.yml

@@ -38,6 +38,7 @@ faqs:
     answer: >
       <p>If you live in England, Wales or Scotland you do not need to bring any identification to vote.</p>
       <p>You will need to show <a rel="external" href="http://www.eoni.org.uk/Electoral-Identity-Card/Electoral-Identity-Card-FAQs#q34">photo ID to vote in Northern Ireland</a> (your passport, driving licence, Electoral Identity Card or certain kinds of Translink Smartpass).</p>
+      <p>You do not have to take your poll card with you.</p>
 
   - question: Voting by post
     answer: >