diff --git a/ArtifactOntology.ttl b/ArtifactOntology.ttl
index e2d5ecc..1d64f22 100644
--- a/ArtifactOntology.ttl
+++ b/ArtifactOntology.ttl
@@ -2209,7 +2209,7 @@ cco:InfraredTelescope rdf:type owl:Class ;
 cco:Infrastructure rdf:type owl:Class ;
                    rdfs:subClassOf obo:BFO_0000040 ;
                    cco:alternative_label "Infrastructure"@en ;
-                   cco:definition "A Material Artifact that is composed of elements bearing Infrastructure Roles and is by itself sufficient to provide a planned service or benefit to some organization that maintains its elements."@en ;
+                   cco:definition "A Material Entity that is composed of elements bearing Infrastructure Roles and is by itself sufficient to provide a planned service or benefit to some organization that maintains its elements."@en ;
                    cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/ArtifactOntology"^^xsd:anyURI ;
                    rdfs:label "Infrastructure System"@en .