It was for a recruitment contract in totality for a decade (total £622m) including all efforts to recruit for the UK army, including everything that involves... of which a small part was the website but it was supposed to be integrated into everything and included running the old legacy system in parallel for a long while..
The details are in the report https://www.nao.org.uk/wp-content/uploads/2018/12/Investigat...
But the headline is not the story.