diff --git a/aggregated-datasets/README.md b/aggregated-datasets/README.md
index 8036b575..c85e8204 100644
--- a/aggregated-datasets/README.md
+++ b/aggregated-datasets/README.md
@@ -10,3 +10,6 @@ Additionally, results for all CMIP6 model runs (*CMIP6Amon_Hub* version 20191028
 [CMIP6Amon_tas_land.zip](http://meteo.unican.es/work/IPCC_Atlas/regional_means/CMIP6Amon_tas_land.zip)\
 [CMIP6Amon_tas_landsea.zip](http://meteo.unican.es/work/IPCC_Atlas/regional_means/CMIP6Amon_tas_landsea.zip)\
 [CMIP6Amon_tas_sea.zip](http://meteo.unican.es/work/IPCC_Atlas/regional_means/CMIP6Amon_tas_sea.zip)
+
+***
+NOTE!: Regional averages are weighted by the cosine of latitude.