diff --git a/EventOntology.ttl b/EventOntology.ttl
index 880d5d9..e2f2cfa 100644
--- a/EventOntology.ttl
+++ b/EventOntology.ttl
@@ -1184,9 +1184,8 @@ cco:AngularMomentum rdf:type owl:Class ;
 ###  http://www.ontologyrepository.com/CommonCoreOntologies/AngularVelocity
 cco:AngularVelocity rdf:type owl:Class ;
                     rdfs:subClassOf cco:Velocity ;
-                    cco:definition "A Velocity that describes both the angular (i.e. rotational) Speed of an object and the Axis about which the object is Rotating."@en ;
-                    cco:alternative_label "Rotational Velocity"@en ;
                     cco:definition "A Velocity that is characterized by both the angular Speed of an object and the Axis about which the object is Rotating."@en ;
+                    cco:alternative_label "Rotational Velocity"@en ;
                     cco:definition_source "https://en.wikipedia.org/w/index.php?title=Angular_velocity&oldid=1060081663"^^xsd:anyURI ;
                     cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/EventOntology"^^xsd:anyURI ;
                     rdfs:label "Angular Velocity"@en .