GAIAMNGT-1828 Update DR4 retrieval_type names

Author: Jorge Fernandez Hernandez

astroquery/gaia/core.py

@@ -198,7 +198,8 @@ def load_data(self, ids, *, data_release=None, data_structure='INDIVIDUAL', retr
             'MCMC_GSPPHOT', 'MCMC_MSC', 'EPOCH_ASTROMETRY', 'RVS_EPOCH_DATA_SINGLE',
             'RVS_EPOCH_DATA_DOUBLE','RVS_EPOCH_SPECTRUM', 'RVS_TRANSIT', 'EPOCH_ASTROMETRY_CROWDED_FIELD',
             'EPOCH_IMAGE', 'EPOCH_PHOTOMETRY_CCD', 'XP_EPOCH_SPECTRUM_SSO', 'XP_EPOCH_CROWDING', 'XP_MEAN_SPECTRUM',
-            'XP_EPOCH_SPECTRUM', 'CROWDED_FIELD_IMAGE', 'EPOCH_ASTROMETRY_BRIGHT'].. Note that for 'CROWDED_FIELD_IMAGE' only the format 'fits' can be used,
+            'XP_EPOCH_SPECTRUM', 'CROWDED_FIELD_IMAGE', 'EPOCH_ASTROMETRY_BRIGHT'].. Note that for
+            'CROWDED_FIELD_IMAGE' only the format 'fits' can be used,
             and that its image, in the principal header, will not be available in the returned dictionary. Set
             'output_file' to retrieve all data: image + tables.
         linking_parameter : str, optional, default SOURCE_ID, valid values: SOURCE_ID, TRANSIT_ID, IMAGE_ID