diff --git a/clusters/adversary-groups.json b/clusters/threat-actors.json
similarity index 99%
rename from clusters/adversary-groups.json
rename to clusters/threat-actors.json
index d82d587d..156a5b70 100644
--- a/clusters/adversary-groups.json
+++ b/clusters/threat-actors.json
@@ -9,7 +9,7 @@
     "Timo Steffens",
     "Various"
   ],
-  "type": "Adversary Groups",
+  "type": "Threat Actors",
   "groups": [
     "Operation C-Major",
     "Comment Crew",
diff --git a/galaxies/threat-actor.json b/galaxies/threat-actor.json
index c944a047..be3b9c8e 100644
--- a/galaxies/threat-actor.json
+++ b/galaxies/threat-actor.json
@@ -1,7 +1,6 @@
 {
    "name" : "threat actor",
-   "description": "threat actor cluster",
+   "description": "Threat actors are characterisations of malicios actors (or adversaries) representing a cyber attach threat including presumed intent and historically observed behaviour.",
    "version": 1,
    "uuid": "698774c7-8022-42c4-917f-8d6e4f06ada3",
-   "elementOneOf": ["adversary-groups", "threat-actor-intended-effect-vocabulary", "planning-and-operational-support-vocabulary", "threat-actor-motivation-vocabulary", "threat-actor-type-vocabulary", "threat-actor-sophistication-vocabulary", "certainty-level", "threat-actor-tools"]
 }