update ADD download instructions

INSTRUCTIONS.md

@@ -37,9 +37,8 @@ The geoTIFF grid `GimpIceMask_90m_v1.1.tif` should be placed in `~data/gimp/`.
 
 ##### SCAR Antarctic Digital Database (ADD)
 To overlay the map with the Antarctic ice sheet and shelf ice, the ADD stores the necessary data. Download the coastline data and the rock outcrop data (medium resolution version is sufficient. Details on the ADD dataset can be found [here](https://gitlab.awi.de/sdreutte/basemap/-/blob/master/data/add.md).
-Download ADD coastlines here: https://data.bas.ac.uk/download/f18d638d4-3c71-442f-9415-01d17842d98d
-And ADD rock outcrops here: https://data.bas.ac.uk/download/fe90d6aec-b53e-40c1-ad52-c05e03a58c1d
-The GPKG files `add_coastline_medium_res_polygon_v7.3.gpkg` and `add_rock_outcrop_medium_res_polygon_v7.3.gpkg` should be placed in `~data/add/`.
+Download ADD coastlines and ADD rock outcrops here: https://data.bas.ac.uk/collections/e74543c0-4c4e-4b41-aa33-5bb2f67df389/
+The GPKG files `add_coastline_medium_res_polygon_v***.gpkg` and `add_rock_outcrop_medium_res_polygon_v***.gpkg` should be placed in `~data/add/`.
 
 # 2. Adjust scripts