diff --git a/definitions/grib2/destine_dataset.table b/definitions/grib2/destine_dataset.table
index 58b82fc41..4690b4bab 100644
--- a/definitions/grib2/destine_dataset.table
+++ b/definitions/grib2/destine_dataset.table
@@ -1,6 +1,6 @@
 0 unknown unknown
-1 climate-dt Climate change adaptation digital twin
-2 extremes-dt Weather and geophysical extremes digital twin
-3 on-demand-climate-dt On-demand climate change adaptation digital twin
-4 on-demand-extremes-dt On-demand weather and geophysical extremes digital twin
+1 climate_dt Climate change adaptation digital twin
+2 extremes_dt Weather and geophysical extremes digital twin
+3 on_demand_climate_dt On-demand climate change adaptation digital twin
+4 on_demand_extremes_dt On-demand weather and geophysical extremes digital twin
 65535 65535 Missing