remove colons in headings

democracy_club/templates/about.html

@@ -48,15 +48,15 @@ <h1>About</h1>
 
 > “Exactly what I was looking for. I appreciate the work of democracyclub and its supporters in providing this resource.”
 
-### People who work on democracy trust us:
+### People who work on democracy trust us
 
 > “We've been impressed by Democracy Club's attention to detail and ability to make things work. We have complete trust in the data they provide and are highly supportive of their efforts to help voters get more information about elections.” **Stuart Harrison, Senior Communication Officer, The Electoral Commission**
 
 > “Democracy Club provide reliable, vital and timely election-related data that is a great boon for democracy in the UK.” **Patrick Dunleavy, Professor of Political Science and Public Policy, London School of Economics**
 
 > “...making this information available centrally will become an invaluable service for citizens...” **Chris Skidmore MP, Minister for the Constitution**
 
-### Here’s a roundup of articles about us:
+### Here’s a roundup of articles about us
 - Oxford City Council (2017) *[“Collaboration, Not Reinvention”](http://digital.oxford.gov.uk/blog/2017/05/17/collaboration-not-reinvention)*
 - TBD (2017) *[“Democracy Club”](https://www.tbd.community/en/a/democracy-club-uk)*
 - The Guardian (2017) *[“Democracy? There’s an app for that”](https://www.theguardian.com/politics/2017/jun/06/democracy-theres-an-app-for-that-the-tech-upstarts-trying-to-hack-british-politics)*