Il n'y a pas une annotation en français. Présenté est une annotation en Anglais.
To avoid confusion, it should be noted that the location at Sapperton is also referred to as Causennis by Pastscape, but this location is deemed the more probable. It is also referred to as Salterdford.
http://roman-britain.co.uk/places/saltersford.htm
http://www.pastscape.org.uk/hob.aspx?hob_id=325760 but see
http://www.pastscape.org.uk/hob.aspx?hob_id=348739 for the Sapperton site.