diff --git a/standard/requirements/core/REQ_themes_wis2_global_service.adoc b/standard/requirements/core/REQ_themes_wis2_global_service.adoc
index e8aa718..5482d14 100644
--- a/standard/requirements/core/REQ_themes_wis2_global_service.adoc
+++ b/standard/requirements/core/REQ_themes_wis2_global_service.adoc
@@ -2,7 +2,7 @@
 [width="90%",cols="2,6a"]
 |===
 ^|*Requirement {counter:req-id}* |*/req/core/themes_wis2_global_service*
-^|A |A WCMP record describing a WIS2 Global Service SHALL provide a `+themes+` property identifying all Earth system disciplines as defined in WCMP codelists.
+^|A |A WCMP record describing a WIS2 Global Service SHALL provide a `+themes+` property identifying all Earth system disciplines as defined in the WIS2 Topic Hierarchy.
 ^|B |A WCMP record describing a WIS2 Global Service SHALL provide a `+themes+` property identifying the service type provided.
 |===
-//req8
\ No newline at end of file
+//req8