EUCLIDPCR-1863 Changes to fix issues related to remote data

Author: Jorge Fernandez Hernandez

docs/esa/euclid/euclid.rst

@@ -1136,7 +1136,7 @@ will be able to access to your shared table in a query.
 DataLink_ is a data access protocol compliant with the IVOA_ architecture that provides a linking mechanism between
 datasets offered by different services. In practice, it can be seen and used as a web service providing the list of additional
 data products available for each object outside the main catalogue(s). For more information about the products served via
-DataLink in the Gaia ESA Archive we recommend to read the Archive DataLink tutorials available at https://www.cosmos.esa.int/web/gaia-users/archive/datalink-products.
+DataLink in the Euclid ESA Archive we recommend to read the Archive DataLink tutorials available at https://eas.esac.esa.int/sas/.
 
 The DataLink products is restricted to authenticated users. via the `~astroquery.utils.tap.TapPlus.load_data` method.
 From SAS the Datalink service can be used to access and download 1D Spectra data.