Add DC pot information on location pages
Add DC pot information on location pages

Now that location pages are surfaced in Google search results
we need to add some text about appointments being for
people over 50 with a DC pot.

This also simplifies the text on the page generally and
brings the h2 headers back to their standard size.

guidance-guarantee-programme/pension_guidance,guidance-guarantee-programme/pension_guidance,guidance-guarantee-programme/pension_guidance