diff --git a/topic-hierarchy.csv b/topic-hierarchy.csv
index 5afc22a..3b75d8a 100644
--- a/topic-hierarchy.csv
+++ b/topic-hierarchy.csv
@@ -4,7 +4,7 @@ Level,Name,Description
 3,system,Fixed value of wis2 for WIS2
 4,country,Lower case representation of ISO3166 3-letter code. Includes extensions for partner organizations
 5,centre-id,Acronym as specified by member and endorsed by the PR of the country and by WMO
-6,resource-type,"WIS2 resources types (data, metadata, reports [from monitoring activities])"
+6,notification-type,"WIS2 resources types (data, metadata, reports [from monitoring activities])"
 7,data-policy,Data policy as defined by the WMO Unified Data Policy. core data are available from the Global Caches with open access on a free and unrestricted basis. Notifications for core and recommended data are available by subscription to Global Brokers. recommended data are downloaded from the original NC/DCPC and may require authentication/authorisation
 8,earth-system-discipline,As per Annex 1 of resolution 1 Cg-Ext-2021
 9,earth-system-discipline-subcategory,As proposed by domain experts and further approved by INFCOM
diff --git a/topic-hierarchy/centre-id.csv b/topic-hierarchy/centre-id.csv
index 9af216a..70ef876 100644
--- a/topic-hierarchy/centre-id.csv
+++ b/topic-hierarchy/centre-id.csv
@@ -1,7 +1,7 @@
 Name,Description,Child
-eccc-msc,"Environment and Climate Change Canada, Meteorological Service of Canada",resource-type
-woudc,World Ozone and Ultraviolet Radiation Data Centre,resource-type
-meteo-france,Météo-France,resource-type
-dwd,Deutscher Wetterdienst,resource-type
-ecmwf,European Centre for Medium-Range Weather Forecasts,resource-type
-my-centre,my centre,resource-type
+eccc-msc,"Environment and Climate Change Canada, Meteorological Service of Canada",notification-type
+woudc,World Ozone and Ultraviolet Radiation Data Centre,notification-type
+meteo-france,Météo-France,notification-type
+dwd,Deutscher Wetterdienst,notification-type
+ecmwf,European Centre for Medium-Range Weather Forecasts,notification-type
+my-centre,my centre,notification-type
diff --git a/topic-hierarchy/resource-type.csv b/topic-hierarchy/notification-type.csv
similarity index 100%
rename from topic-hierarchy/resource-type.csv
rename to topic-hierarchy/notification-type.csv