diff --git a/src/cco-modules/EventOntology.ttl b/src/cco-modules/EventOntology.ttl
index b7eb458..c26f502 100644
--- a/src/cco-modules/EventOntology.ttl
+++ b/src/cco-modules/EventOntology.ttl
@@ -1047,7 +1047,7 @@ cco:ActOfTerroristTrainingInstruction rdf:type owl:Class ;
 ###  http://www.ontologyrepository.com/CommonCoreOntologies/ActOfTestifying
 cco:ActOfTestifying rdf:type owl:Class ;
                     rdfs:subClassOf cco:ActOfRepresentativeCommunication ;
-                    cco:definition "An Act of Representative Communication performed by making a statement about one's personal knowledge or belief."@en ;
+                    cco:definition "An Act of Representative Communication performed by stating one's personal knowledge or belief."@en ;
                     cco:definition_source "http://www.merriam-webster.com/dictionary/testify" ;
                     cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/EventOntology"^^xsd:anyURI ;
                     rdfs:label "Act of Testifying"@en .