Fix validation link per code review.
Fix validation link per code review.

https://trello.com/c/Z1a3weIe/131-replace-end-search-with-before-you-export-your-results

alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend